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html

<div class="notify bar-top do-show" data-notification-status="success">Lorem ipsum dolor sit amet, consectetur adipisicing elit. Iure, reprehenderit obcaecati itaque. Officiis libero provident perspiciatis eum fugiat laudantium sequi.</div>

<main>
  <div class="wrapper">
    <h1>CSS-only Notifications Component</h1>

<p>
      This is a Sass mixin that provides notifications functionality using little-to-none Javascript.<br> It makes use of CSS transitions and animations to display notifications as popups or bars on different locations of the viewport.<br> The best thing
      is that it is fully customizable and easy to use. :)
    </p>

<nav>
      <a href="#" class="button" data-type="top-left" data-status="success">Top Left</a>
      <a href="#" class="button" data-type="top-right" data-status="warning">Top Right</a>
      <a href="#" class="button" data-type="bottom-right" data-status="error">Bottom Right</a>
      <a href="#" class="button" data-type="bottom-left" data-status="notice">Bottom Left</a>
      <a href="#" class="button" data-type="bar-top" data-status="plain">Top bar</a>
      <a href="#" class="button" data-type="bar-bottom" data-status="plain">Bottom bar</a>
    </nav>
  </div>
</main>

css

@import url("https://fonts.googleapis.com/css?family=Source+Sans+Pro");
@-webkit-keyframes fade-in {
  from {
    visibility: hidden;
    opacity: 0;
  }
  to {
    visibility: visible;
    opacity: 1;
  }
}
@keyframes fade-in {
  from {
    visibility: hidden;
    opacity: 0;
  }
  to {
    visibility: visible;
    opacity: 1;
  }
}
@-webkit-keyframes slide-show {
  to {
    transform: translateY(0);
  }
}
@keyframes slide-show {
  to {
    transform: translateY(0);
  }
}
body {
  width: 100%;
  height: 100vh;
  background: linear-gradient(to bottom, #be93c5, #7bc6cc);
  font-family: "Source Sans Pro", sans-serif;
  text-rendering: optimizeLegibility;overflow: hidden
}

main {
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

h1 {
  color: #fff;
  font-size: 55px;
}

p {
  line-height: 1.5;
}

nav {
  margin-top: 50px;
}

.button {
  padding: 15px 20px;
  border: 2px solid white;
  border-radius: 5px;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  text-decoration: none;
  color: white;
}
.button:hover, .button.is-active {
  color: #be93c5;
  background-color: white;
}

.top-left {
  position: fixed;
  z-index: 1000;
  display: flex;
  align-items: center;
  padding: 20px;
  color: #fff;
  line-height: 1.3;
  box-shadow: 0 0 15px 0 rgba(0, 0, 0, 0.35);
  max-width: 350px;
  margin: 20px;
  top: 0;
  left: 0;
  transform: translateX(- 420px);
}
@-webkit-keyframes slide-in-left {
  to {
    transform: translateX(0);
  }
}
@keyframes slide-in-left {
  to {
    transform: translateX(0);
  }
}
.top-left.do-show {
  animation: slide-in-left 1s ease-in-out forwards, slide-in-left 1s ease-in-out reverse forwards 5s;
}
.top-left[data-notification-status=notice] {
  background-color: #29B6F6;
}
.top-left[data-notification-status=notice]:before {
  content: "";
  display: block;
  width: 30px;
  height: 30px;
  min-width: 30px;
  margin-right: 20px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M12 3.984c4.407 0 8.016 3.609 8.016 8.016 0 4.406-3.608 8.016-8.016 8.016S3.984 16.407 3.984 12 7.593 3.984 12 3.984m0-2C6.478 1.984 1.984 6.477 1.984 12c0 5.521 4.493 10.016 10.016 10.016S22.016 17.522 22.016 12c0-5.523-4.495-10.016-10.016-10.016zm0 2c4.407 0 8.016 3.609 8.016' fill='%23077CB2'/%3E%3Cpath d='M11.016,6.984V9h1.968V6.984H11.016z M11.016,17.016h1.968v-6h-1.968V17.016z' fill='%23077CB2'/%3E%3C/svg%3E") center/cover no-repeat;
}
.top-left[data-notification-status=warning] {
  background-color: #FFCA28;
}
.top-left[data-notification-status=warning]:before {
  content: "";
  display: block;
  width: 30px;
  height: 30px;
  min-width: 30px;
  margin-right: 20px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M12 3.984c4.407 0 8.016 3.609 8.016 8.016 0 4.406-3.608 8.016-8.016 8.016S3.984 16.407 3.984 12 7.593 3.984 12 3.984m0-2C6.478 1.984 1.984 6.477 1.984 12c0 5.521 4.493 10.016 10.016 10.016S22.016 17.522 22.016 12c0-5.523-4.495-10.016-10.016-10.016zm0 2c4.407 0 8.016 3.609 8.016' fill='%23C19100'/%3E%3Cpath d='M11.016,17.016h1.968V15h-1.968V17.016z M11.016,6.983v6.001h1.968V6.983H11.016z' fill='%23C19100'/%3E%3C/svg%3E") center/cover no-repeat;
}
.top-left[data-notification-status=error] {
  background-color: #EF5350;
}
.top-left[data-notification-status=error]:before {
  content: "";
  display: block;
  width: 30px;
  height: 30px;
  min-width: 30px;
  margin-right: 20px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M12 3.984c4.407 0 8.016 3.609 8.016 8.016 0 4.406-3.608 8.016-8.016 8.016S3.984 16.407 3.984 12 7.593 3.984 12 3.984m0-2C6.478 1.984 1.984 6.477 1.984 12c0 5.521 4.493 10.016 10.016 10.016S22.016 17.522 22.016 12c0-5.523-4.495-10.016-10.016-10.016zm0 2c4.407 0 8.016 3.609 8.016' fill='%23C71612'/%3E%3Cpath d='M13.406,12l2.578,2.578l-1.406,1.406L12,13.406l-2.578,2.578l-1.406-1.406L10.594,12L8.016,9.421l1.406-1.405L12,10.593 l2.578-2.577l1.406,1.405L13.406,12z' fill='%23C71612'/%3E%3C/svg%3E") center/cover no-repeat;
}
.top-left[data-notification-status=success] {
  background-color: #66BB6A;
}
.top-left[data-notification-status=success]:before {
  content: "";
  display: block;
  width: 30px;
  height: 30px;
  min-width: 30px;
  margin-right: 20px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M12 3.984c4.407 0 8.016 3.609 8.016 8.016 0 4.406-3.608 8.016-8.016 8.016S3.984 16.407 3.984 12 7.593 3.984 12 3.984m0-2C6.478 1.984 1.984 6.477 1.984 12c0 5.521 4.493 10.016 10.016 10.016S22.016 17.522 22.016 12c0-5.523-4.495-10.016-10.016-10.016zm0 2c4.407 0 8.016 3.609 8.016' fill='%233A813D'/%3E%3Cpath d='M10.477,13.136l5.085-5.085l1.406,1.406l-6.492,6.492l-3.446-3.445l1.406-1.406L10.477,13.136z' fill='%233A813D'/%3E%3C/svg%3E") center/cover no-repeat;
}
.top-left[data-notification-status=question] {
  background-color: #8D6E63;
}
.top-left[data-notification-status=question]:before {
  content: "";
  display: block;
  width: 30px;
  height: 30px;
  min-width: 30px;
  margin-right: 20px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M12 3.984c4.407 0 8.016 3.609 8.016 8.016 0 4.406-3.608 8.016-8.016 8.016S3.984 16.407 3.984 12 7.593 3.984 12 3.984m0-2C6.478 1.984 1.984 6.477 1.984 12c0 5.521 4.493 10.016 10.016 10.016S22.016 17.522 22.016 12c0-5.523-4.495-10.016-10.016-10.016zm0 2c4.407 0 8.016 3.609 8.016' fill='%23513F39'/%3E%3Cpath d='M12.001,6.314h-0.002c-1.996,0-3.609,1.614-3.609,3.609h1.784c0-0.977,0.85-1.784,1.826-1.784  c0.977,0,1.827,0.807,1.827,1.784c0,1.826-2.718,1.614-2.718,4.544h1.784c0-2.038,2.717-2.294,2.717-4.544  C15.609,7.928,13.997,6.314,12.001,6.314z M11.109,17.186h1.784v-1.826h-1.784V17.186z' fill='%23513F39'/%3E%3C/svg%3E") center/cover no-repeat;
}
.top-left[data-notification-status=plain] {
  background-color: #333;
}

.top-right {
  position: fixed;
  z-index: 1000;
  display: flex;
  align-items: center;
  padding: 20px;
  color: #fff;
  line-height: 1.3;
  box-shadow: 0 0 15px 0 rgba(0, 0, 0, 0.35);
  visibility: hidden;
  opacity: 0;
  max-width: 350px;
  margin: 20px;
  top: 0;
  right: 0;
}
.top-right.do-show {
  animation: fade-in 1s ease-in-out forwards, fade-in 1s ease-in-out reverse forwards 3s;
}
.top-right[data-notification-status=notice] {
  background-color: #29B6F6;
}
.top-right[data-notification-status=notice]:before {
  content: "";
  display: block;
  width: 30px;
  height: 30px;
  min-width: 30px;
  margin-right: 20px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M12 3.984c4.407 0 8.016 3.609 8.016 8.016 0 4.406-3.608 8.016-8.016 8.016S3.984 16.407 3.984 12 7.593 3.984 12 3.984m0-2C6.478 1.984 1.984 6.477 1.984 12c0 5.521 4.493 10.016 10.016 10.016S22.016 17.522 22.016 12c0-5.523-4.495-10.016-10.016-10.016zm0 2c4.407 0 8.016 3.609 8.016' fill='%23077CB2'/%3E%3Cpath d='M11.016,6.984V9h1.968V6.984H11.016z M11.016,17.016h1.968v-6h-1.968V17.016z' fill='%23077CB2'/%3E%3C/svg%3E") center/cover no-repeat;
}
.top-right[data-notification-status=warning] {
  background-color: #FFCA28;
}
.top-right[data-notification-status=warning]:before {
  content: "";
  display: block;
  width: 30px;
  height: 30px;
  min-width: 30px;
  margin-right: 20px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M12 3.984c4.407 0 8.016 3.609 8.016 8.016 0 4.406-3.608 8.016-8.016 8.016S3.984 16.407 3.984 12 7.593 3.984 12 3.984m0-2C6.478 1.984 1.984 6.477 1.984 12c0 5.521 4.493 10.016 10.016 10.016S22.016 17.522 22.016 12c0-5.523-4.495-10.016-10.016-10.016zm0 2c4.407 0 8.016 3.609 8.016' fill='%23C19100'/%3E%3Cpath d='M11.016,17.016h1.968V15h-1.968V17.016z M11.016,6.983v6.001h1.968V6.983H11.016z' fill='%23C19100'/%3E%3C/svg%3E") center/cover no-repeat;
}
.top-right[data-notification-status=error] {
  background-color: #EF5350;
}
.top-right[data-notification-status=error]:before {
  content: "";
  display: block;
  width: 30px;
  height: 30px;
  min-width: 30px;
  margin-right: 20px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M12 3.984c4.407 0 8.016 3.609 8.016 8.016 0 4.406-3.608 8.016-8.016 8.016S3.984 16.407 3.984 12 7.593 3.984 12 3.984m0-2C6.478 1.984 1.984 6.477 1.984 12c0 5.521 4.493 10.016 10.016 10.016S22.016 17.522 22.016 12c0-5.523-4.495-10.016-10.016-10.016zm0 2c4.407 0 8.016 3.609 8.016' fill='%23C71612'/%3E%3Cpath d='M13.406,12l2.578,2.578l-1.406,1.406L12,13.406l-2.578,2.578l-1.406-1.406L10.594,12L8.016,9.421l1.406-1.405L12,10.593 l2.578-2.577l1.406,1.405L13.406,12z' fill='%23C71612'/%3E%3C/svg%3E") center/cover no-repeat;
}
.top-right[data-notification-status=success] {
  background-color: #66BB6A;
}
.top-right[data-notification-status=success]:before {
  content: "";
  display: block;
  width: 30px;
  height: 30px;
  min-width: 30px;
  margin-right: 20px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M12 3.984c4.407 0 8.016 3.609 8.016 8.016 0 4.406-3.608 8.016-8.016 8.016S3.984 16.407 3.984 12 7.593 3.984 12 3.984m0-2C6.478 1.984 1.984 6.477 1.984 12c0 5.521 4.493 10.016 10.016 10.016S22.016 17.522 22.016 12c0-5.523-4.495-10.016-10.016-10.016zm0 2c4.407 0 8.016 3.609 8.016' fill='%233A813D'/%3E%3Cpath d='M10.477,13.136l5.085-5.085l1.406,1.406l-6.492,6.492l-3.446-3.445l1.406-1.406L10.477,13.136z' fill='%233A813D'/%3E%3C/svg%3E") center/cover no-repeat;
}
.top-right[data-notification-status=question] {
  background-color: #8D6E63;
}
.top-right[data-notification-status=question]:before {
  content: "";
  display: block;
  width: 30px;
  height: 30px;
  min-width: 30px;
  margin-right: 20px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M12 3.984c4.407 0 8.016 3.609 8.016 8.016 0 4.406-3.608 8.016-8.016 8.016S3.984 16.407 3.984 12 7.593 3.984 12 3.984m0-2C6.478 1.984 1.984 6.477 1.984 12c0 5.521 4.493 10.016 10.016 10.016S22.016 17.522 22.016 12c0-5.523-4.495-10.016-10.016-10.016zm0 2c4.407 0 8.016 3.609 8.016' fill='%23513F39'/%3E%3Cpath d='M12.001,6.314h-0.002c-1.996,0-3.609,1.614-3.609,3.609h1.784c0-0.977,0.85-1.784,1.826-1.784  c0.977,0,1.827,0.807,1.827,1.784c0,1.826-2.718,1.614-2.718,4.544h1.784c0-2.038,2.717-2.294,2.717-4.544  C15.609,7.928,13.997,6.314,12.001,6.314z M11.109,17.186h1.784v-1.826h-1.784V17.186z' fill='%23513F39'/%3E%3C/svg%3E") center/cover no-repeat;
}
.top-right[data-notification-status=plain] {
  background-color: #333;
}

.bottom-right {
  position: fixed;
  z-index: 1000;
  display: flex;
  align-items: center;
  padding: 20px;
  color: #fff;
  line-height: 1.3;
  box-shadow: 0 0 15px 0 rgba(0, 0, 0, 0.35);
  max-width: 350px;
  margin: 20px;
  bottom: 0;
  right: 0;
  transform: translateX(420px);
}
@-webkit-keyframes slide-in-right {
  to {
    transform: translateX(0);
  }
}
@keyframes slide-in-right {
  to {
    transform: translateX(0);
  }
}
.bottom-right.do-show {
  animation: slide-in-right 1s ease-in-out forwards, slide-in-right 1s ease-in-out reverse forwards 3s;
}
.bottom-right[data-notification-status=notice] {
  background-color: #29B6F6;
}
.bottom-right[data-notification-status=notice]:before {
  content: "";
  display: block;
  width: 30px;
  height: 30px;
  min-width: 30px;
  margin-right: 20px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M12 3.984c4.407 0 8.016 3.609 8.016 8.016 0 4.406-3.608 8.016-8.016 8.016S3.984 16.407 3.984 12 7.593 3.984 12 3.984m0-2C6.478 1.984 1.984 6.477 1.984 12c0 5.521 4.493 10.016 10.016 10.016S22.016 17.522 22.016 12c0-5.523-4.495-10.016-10.016-10.016zm0 2c4.407 0 8.016 3.609 8.016' fill='%23077CB2'/%3E%3Cpath d='M11.016,6.984V9h1.968V6.984H11.016z M11.016,17.016h1.968v-6h-1.968V17.016z' fill='%23077CB2'/%3E%3C/svg%3E") center/cover no-repeat;
}
.bottom-right[data-notification-status=warning] {
  background-color: #FFCA28;
}
.bottom-right[data-notification-status=warning]:before {
  content: "";
  display: block;
  width: 30px;
  height: 30px;
  min-width: 30px;
  margin-right: 20px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M12 3.984c4.407 0 8.016 3.609 8.016 8.016 0 4.406-3.608 8.016-8.016 8.016S3.984 16.407 3.984 12 7.593 3.984 12 3.984m0-2C6.478 1.984 1.984 6.477 1.984 12c0 5.521 4.493 10.016 10.016 10.016S22.016 17.522 22.016 12c0-5.523-4.495-10.016-10.016-10.016zm0 2c4.407 0 8.016 3.609 8.016' fill='%23C19100'/%3E%3Cpath d='M11.016,17.016h1.968V15h-1.968V17.016z M11.016,6.983v6.001h1.968V6.983H11.016z' fill='%23C19100'/%3E%3C/svg%3E") center/cover no-repeat;
}
.bottom-right[data-notification-status=error] {
  background-color: #EF5350;
}
.bottom-right[data-notification-status=error]:before {
  content: "";
  display: block;
  width: 30px;
  height: 30px;
  min-width: 30px;
  margin-right: 20px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M12 3.984c4.407 0 8.016 3.609 8.016 8.016 0 4.406-3.608 8.016-8.016 8.016S3.984 16.407 3.984 12 7.593 3.984 12 3.984m0-2C6.478 1.984 1.984 6.477 1.984 12c0 5.521 4.493 10.016 10.016 10.016S22.016 17.522 22.016 12c0-5.523-4.495-10.016-10.016-10.016zm0 2c4.407 0 8.016 3.609 8.016' fill='%23C71612'/%3E%3Cpath d='M13.406,12l2.578,2.578l-1.406,1.406L12,13.406l-2.578,2.578l-1.406-1.406L10.594,12L8.016,9.421l1.406-1.405L12,10.593 l2.578-2.577l1.406,1.405L13.406,12z' fill='%23C71612'/%3E%3C/svg%3E") center/cover no-repeat;
}
.bottom-right[data-notification-status=success] {
  background-color: #66BB6A;
}
.bottom-right[data-notification-status=success]:before {
  content: "";
  display: block;
  width: 30px;
  height: 30px;
  min-width: 30px;
  margin-right: 20px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M12 3.984c4.407 0 8.016 3.609 8.016 8.016 0 4.406-3.608 8.016-8.016 8.016S3.984 16.407 3.984 12 7.593 3.984 12 3.984m0-2C6.478 1.984 1.984 6.477 1.984 12c0 5.521 4.493 10.016 10.016 10.016S22.016 17.522 22.016 12c0-5.523-4.495-10.016-10.016-10.016zm0 2c4.407 0 8.016 3.609 8.016' fill='%233A813D'/%3E%3Cpath d='M10.477,13.136l5.085-5.085l1.406,1.406l-6.492,6.492l-3.446-3.445l1.406-1.406L10.477,13.136z' fill='%233A813D'/%3E%3C/svg%3E") center/cover no-repeat;
}
.bottom-right[data-notification-status=question] {
  background-color: #8D6E63;
}
.bottom-right[data-notification-status=question]:before {
  content: "";
  display: block;
  width: 30px;
  height: 30px;
  min-width: 30px;
  margin-right: 20px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M12 3.984c4.407 0 8.016 3.609 8.016 8.016 0 4.406-3.608 8.016-8.016 8.016S3.984 16.407 3.984 12 7.593 3.984 12 3.984m0-2C6.478 1.984 1.984 6.477 1.984 12c0 5.521 4.493 10.016 10.016 10.016S22.016 17.522 22.016 12c0-5.523-4.495-10.016-10.016-10.016zm0 2c4.407 0 8.016 3.609 8.016' fill='%23513F39'/%3E%3Cpath d='M12.001,6.314h-0.002c-1.996,0-3.609,1.614-3.609,3.609h1.784c0-0.977,0.85-1.784,1.826-1.784  c0.977,0,1.827,0.807,1.827,1.784c0,1.826-2.718,1.614-2.718,4.544h1.784c0-2.038,2.717-2.294,2.717-4.544  C15.609,7.928,13.997,6.314,12.001,6.314z M11.109,17.186h1.784v-1.826h-1.784V17.186z' fill='%23513F39'/%3E%3C/svg%3E") center/cover no-repeat;
}
.bottom-right[data-notification-status=plain] {
  background-color: #333;
}

.bottom-left {
  position: fixed;
  z-index: 1000;
  display: flex;
  align-items: center;
  padding: 20px;
  color: #fff;
  line-height: 1.3;
  box-shadow: 0 0 15px 0 rgba(0, 0, 0, 0.35);
  visibility: hidden;
  opacity: 0;
  max-width: 350px;
  margin: 20px;
  bottom: 0;
  left: 0;
}
.bottom-left.do-show {
  animation: fade-in 1s ease-in-out forwards, fade-in 1s ease-in-out reverse forwards 3s;
}
.bottom-left[data-notification-status=notice] {
  background-color: #29B6F6;
}
.bottom-left[data-notification-status=notice]:before {
  content: "";
  display: block;
  width: 30px;
  height: 30px;
  min-width: 30px;
  margin-right: 20px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M12 3.984c4.407 0 8.016 3.609 8.016 8.016 0 4.406-3.608 8.016-8.016 8.016S3.984 16.407 3.984 12 7.593 3.984 12 3.984m0-2C6.478 1.984 1.984 6.477 1.984 12c0 5.521 4.493 10.016 10.016 10.016S22.016 17.522 22.016 12c0-5.523-4.495-10.016-10.016-10.016zm0 2c4.407 0 8.016 3.609 8.016' fill='%23077CB2'/%3E%3Cpath d='M11.016,6.984V9h1.968V6.984H11.016z M11.016,17.016h1.968v-6h-1.968V17.016z' fill='%23077CB2'/%3E%3C/svg%3E") center/cover no-repeat;
}
.bottom-left[data-notification-status=warning] {
  background-color: #FFCA28;
}
.bottom-left[data-notification-status=warning]:before {
  content: "";
  display: block;
  width: 30px;
  height: 30px;
  min-width: 30px;
  margin-right: 20px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M12 3.984c4.407 0 8.016 3.609 8.016 8.016 0 4.406-3.608 8.016-8.016 8.016S3.984 16.407 3.984 12 7.593 3.984 12 3.984m0-2C6.478 1.984 1.984 6.477 1.984 12c0 5.521 4.493 10.016 10.016 10.016S22.016 17.522 22.016 12c0-5.523-4.495-10.016-10.016-10.016zm0 2c4.407 0 8.016 3.609 8.016' fill='%23C19100'/%3E%3Cpath d='M11.016,17.016h1.968V15h-1.968V17.016z M11.016,6.983v6.001h1.968V6.983H11.016z' fill='%23C19100'/%3E%3C/svg%3E") center/cover no-repeat;
}
.bottom-left[data-notification-status=error] {
  background-color: #EF5350;
}
.bottom-left[data-notification-status=error]:before {
  content: "";
  display: block;
  width: 30px;
  height: 30px;
  min-width: 30px;
  margin-right: 20px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M12 3.984c4.407 0 8.016 3.609 8.016 8.016 0 4.406-3.608 8.016-8.016 8.016S3.984 16.407 3.984 12 7.593 3.984 12 3.984m0-2C6.478 1.984 1.984 6.477 1.984 12c0 5.521 4.493 10.016 10.016 10.016S22.016 17.522 22.016 12c0-5.523-4.495-10.016-10.016-10.016zm0 2c4.407 0 8.016 3.609 8.016' fill='%23C71612'/%3E%3Cpath d='M13.406,12l2.578,2.578l-1.406,1.406L12,13.406l-2.578,2.578l-1.406-1.406L10.594,12L8.016,9.421l1.406-1.405L12,10.593 l2.578-2.577l1.406,1.405L13.406,12z' fill='%23C71612'/%3E%3C/svg%3E") center/cover no-repeat;
}
.bottom-left[data-notification-status=success] {
  background-color: #66BB6A;
}
.bottom-left[data-notification-status=success]:before {
  content: "";
  display: block;
  width: 30px;
  height: 30px;
  min-width: 30px;
  margin-right: 20px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M12 3.984c4.407 0 8.016 3.609 8.016 8.016 0 4.406-3.608 8.016-8.016 8.016S3.984 16.407 3.984 12 7.593 3.984 12 3.984m0-2C6.478 1.984 1.984 6.477 1.984 12c0 5.521 4.493 10.016 10.016 10.016S22.016 17.522 22.016 12c0-5.523-4.495-10.016-10.016-10.016zm0 2c4.407 0 8.016 3.609 8.016' fill='%233A813D'/%3E%3Cpath d='M10.477,13.136l5.085-5.085l1.406,1.406l-6.492,6.492l-3.446-3.445l1.406-1.406L10.477,13.136z' fill='%233A813D'/%3E%3C/svg%3E") center/cover no-repeat;
}
.bottom-left[data-notification-status=question] {
  background-color: #8D6E63;
}
.bottom-left[data-notification-status=question]:before {
  content: "";
  display: block;
  width: 30px;
  height: 30px;
  min-width: 30px;
  margin-right: 20px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M12 3.984c4.407 0 8.016 3.609 8.016 8.016 0 4.406-3.608 8.016-8.016 8.016S3.984 16.407 3.984 12 7.593 3.984 12 3.984m0-2C6.478 1.984 1.984 6.477 1.984 12c0 5.521 4.493 10.016 10.016 10.016S22.016 17.522 22.016 12c0-5.523-4.495-10.016-10.016-10.016zm0 2c4.407 0 8.016 3.609 8.016' fill='%23513F39'/%3E%3Cpath d='M12.001,6.314h-0.002c-1.996,0-3.609,1.614-3.609,3.609h1.784c0-0.977,0.85-1.784,1.826-1.784  c0.977,0,1.827,0.807,1.827,1.784c0,1.826-2.718,1.614-2.718,4.544h1.784c0-2.038,2.717-2.294,2.717-4.544  C15.609,7.928,13.997,6.314,12.001,6.314z M11.109,17.186h1.784v-1.826h-1.784V17.186z' fill='%23513F39'/%3E%3C/svg%3E") center/cover no-repeat;
}
.bottom-left[data-notification-status=plain] {
  background-color: #333;
}

.bar-top {
  position: fixed;
  z-index: 1000;
  display: flex;
  align-items: center;
  padding: 20px;
  color: #fff;
  line-height: 1.3;
  box-shadow: 0 0 15px 0 rgba(0, 0, 0, 0.35);
  top: 0;
  right: 0;
  left: 0;
  width: 100%;
  transform: translateY("-" 100%);
}
.bar-top.do-show {
  animation: slide-show 1s forwards, slide-show 1s reverse forwards 3s;
}
.bar-top[data-notification-status=notice] {
  background-color: #29B6F6;
}
.bar-top[data-notification-status=notice]:before {
  content: "";
  display: block;
  width: 30px;
  height: 30px;
  min-width: 30px;
  margin-right: 20px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M12 3.984c4.407 0 8.016 3.609 8.016 8.016 0 4.406-3.608 8.016-8.016 8.016S3.984 16.407 3.984 12 7.593 3.984 12 3.984m0-2C6.478 1.984 1.984 6.477 1.984 12c0 5.521 4.493 10.016 10.016 10.016S22.016 17.522 22.016 12c0-5.523-4.495-10.016-10.016-10.016zm0 2c4.407 0 8.016 3.609 8.016' fill='%23077CB2'/%3E%3Cpath d='M11.016,6.984V9h1.968V6.984H11.016z M11.016,17.016h1.968v-6h-1.968V17.016z' fill='%23077CB2'/%3E%3C/svg%3E") center/cover no-repeat;
}
.bar-top[data-notification-status=warning] {
  background-color: #FFCA28;
}
.bar-top[data-notification-status=warning]:before {
  content: "";
  display: block;
  width: 30px;
  height: 30px;
  min-width: 30px;
  margin-right: 20px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M12 3.984c4.407 0 8.016 3.609 8.016 8.016 0 4.406-3.608 8.016-8.016 8.016S3.984 16.407 3.984 12 7.593 3.984 12 3.984m0-2C6.478 1.984 1.984 6.477 1.984 12c0 5.521 4.493 10.016 10.016 10.016S22.016 17.522 22.016 12c0-5.523-4.495-10.016-10.016-10.016zm0 2c4.407 0 8.016 3.609 8.016' fill='%23C19100'/%3E%3Cpath d='M11.016,17.016h1.968V15h-1.968V17.016z M11.016,6.983v6.001h1.968V6.983H11.016z' fill='%23C19100'/%3E%3C/svg%3E") center/cover no-repeat;
}
.bar-top[data-notification-status=error] {
  background-color: #EF5350;
}
.bar-top[data-notification-status=error]:before {
  content: "";
  display: block;
  width: 30px;
  height: 30px;
  min-width: 30px;
  margin-right: 20px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M12 3.984c4.407 0 8.016 3.609 8.016 8.016 0 4.406-3.608 8.016-8.016 8.016S3.984 16.407 3.984 12 7.593 3.984 12 3.984m0-2C6.478 1.984 1.984 6.477 1.984 12c0 5.521 4.493 10.016 10.016 10.016S22.016 17.522 22.016 12c0-5.523-4.495-10.016-10.016-10.016zm0 2c4.407 0 8.016 3.609 8.016' fill='%23C71612'/%3E%3Cpath d='M13.406,12l2.578,2.578l-1.406,1.406L12,13.406l-2.578,2.578l-1.406-1.406L10.594,12L8.016,9.421l1.406-1.405L12,10.593 l2.578-2.577l1.406,1.405L13.406,12z' fill='%23C71612'/%3E%3C/svg%3E") center/cover no-repeat;
}
.bar-top[data-notification-status=success] {
  background-color: #66BB6A;
}
.bar-top[data-notification-status=success]:before {
  content: "";
  display: block;
  width: 30px;
  height: 30px;
  min-width: 30px;
  margin-right: 20px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M12 3.984c4.407 0 8.016 3.609 8.016 8.016 0 4.406-3.608 8.016-8.016 8.016S3.984 16.407 3.984 12 7.593 3.984 12 3.984m0-2C6.478 1.984 1.984 6.477 1.984 12c0 5.521 4.493 10.016 10.016 10.016S22.016 17.522 22.016 12c0-5.523-4.495-10.016-10.016-10.016zm0 2c4.407 0 8.016 3.609 8.016' fill='%233A813D'/%3E%3Cpath d='M10.477,13.136l5.085-5.085l1.406,1.406l-6.492,6.492l-3.446-3.445l1.406-1.406L10.477,13.136z' fill='%233A813D'/%3E%3C/svg%3E") center/cover no-repeat;
}
.bar-top[data-notification-status=question] {
  background-color: #8D6E63;
}
.bar-top[data-notification-status=question]:before {
  content: "";
  display: block;
  width: 30px;
  height: 30px;
  min-width: 30px;
  margin-right: 20px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M12 3.984c4.407 0 8.016 3.609 8.016 8.016 0 4.406-3.608 8.016-8.016 8.016S3.984 16.407 3.984 12 7.593 3.984 12 3.984m0-2C6.478 1.984 1.984 6.477 1.984 12c0 5.521 4.493 10.016 10.016 10.016S22.016 17.522 22.016 12c0-5.523-4.495-10.016-10.016-10.016zm0 2c4.407 0 8.016 3.609 8.016' fill='%23513F39'/%3E%3Cpath d='M12.001,6.314h-0.002c-1.996,0-3.609,1.614-3.609,3.609h1.784c0-0.977,0.85-1.784,1.826-1.784  c0.977,0,1.827,0.807,1.827,1.784c0,1.826-2.718,1.614-2.718,4.544h1.784c0-2.038,2.717-2.294,2.717-4.544  C15.609,7.928,13.997,6.314,12.001,6.314z M11.109,17.186h1.784v-1.826h-1.784V17.186z' fill='%23513F39'/%3E%3C/svg%3E") center/cover no-repeat;
}
.bar-top[data-notification-status=plain] {
  background-color: #333;
}

.bar-bottom {
  position: fixed;
  z-index: 1000;
  display: flex;
  align-items: center;
  padding: 20px;
  color: #fff;
  line-height: 1.3;
  box-shadow: 0 0 15px 0 rgba(0, 0, 0, 0.35);
  visibility: hidden;
  opacity: 0;
  bottom: 0;
  right: 0;
  left: 0;
  width: 100%;
}
.bar-bottom.do-show {
  animation: fade-in 1s ease-in-out forwards, fade-in 1s ease-in-out reverse forwards 3s;
}
.bar-bottom[data-notification-status=notice] {
  background-color: #29B6F6;
}
.bar-bottom[data-notification-status=notice]:before {
  content: "";
  display: block;
  width: 30px;
  height: 30px;
  min-width: 30px;
  margin-right: 20px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M12 3.984c4.407 0 8.016 3.609 8.016 8.016 0 4.406-3.608 8.016-8.016 8.016S3.984 16.407 3.984 12 7.593 3.984 12 3.984m0-2C6.478 1.984 1.984 6.477 1.984 12c0 5.521 4.493 10.016 10.016 10.016S22.016 17.522 22.016 12c0-5.523-4.495-10.016-10.016-10.016zm0 2c4.407 0 8.016 3.609 8.016' fill='%23077CB2'/%3E%3Cpath d='M11.016,6.984V9h1.968V6.984H11.016z M11.016,17.016h1.968v-6h-1.968V17.016z' fill='%23077CB2'/%3E%3C/svg%3E") center/cover no-repeat;
}
.bar-bottom[data-notification-status=warning] {
  background-color: #FFCA28;
}
.bar-bottom[data-notification-status=warning]:before {
  content: "";
  display: block;
  width: 30px;
  height: 30px;
  min-width: 30px;
  margin-right: 20px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M12 3.984c4.407 0 8.016 3.609 8.016 8.016 0 4.406-3.608 8.016-8.016 8.016S3.984 16.407 3.984 12 7.593 3.984 12 3.984m0-2C6.478 1.984 1.984 6.477 1.984 12c0 5.521 4.493 10.016 10.016 10.016S22.016 17.522 22.016 12c0-5.523-4.495-10.016-10.016-10.016zm0 2c4.407 0 8.016 3.609 8.016' fill='%23C19100'/%3E%3Cpath d='M11.016,17.016h1.968V15h-1.968V17.016z M11.016,6.983v6.001h1.968V6.983H11.016z' fill='%23C19100'/%3E%3C/svg%3E") center/cover no-repeat;
}
.bar-bottom[data-notification-status=error] {
  background-color: #EF5350;
}
.bar-bottom[data-notification-status=error]:before {
  content: "";
  display: block;
  width: 30px;
  height: 30px;
  min-width: 30px;
  margin-right: 20px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M12 3.984c4.407 0 8.016 3.609 8.016 8.016 0 4.406-3.608 8.016-8.016 8.016S3.984 16.407 3.984 12 7.593 3.984 12 3.984m0-2C6.478 1.984 1.984 6.477 1.984 12c0 5.521 4.493 10.016 10.016 10.016S22.016 17.522 22.016 12c0-5.523-4.495-10.016-10.016-10.016zm0 2c4.407 0 8.016 3.609 8.016' fill='%23C71612'/%3E%3Cpath d='M13.406,12l2.578,2.578l-1.406,1.406L12,13.406l-2.578,2.578l-1.406-1.406L10.594,12L8.016,9.421l1.406-1.405L12,10.593 l2.578-2.577l1.406,1.405L13.406,12z' fill='%23C71612'/%3E%3C/svg%3E") center/cover no-repeat;
}
.bar-bottom[data-notification-status=success] {
  background-color: #66BB6A;
}
.bar-bottom[data-notification-status=success]:before {
  content: "";
  display: block;
  width: 30px;
  height: 30px;
  min-width: 30px;
  margin-right: 20px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M12 3.984c4.407 0 8.016 3.609 8.016 8.016 0 4.406-3.608 8.016-8.016 8.016S3.984 16.407 3.984 12 7.593 3.984 12 3.984m0-2C6.478 1.984 1.984 6.477 1.984 12c0 5.521 4.493 10.016 10.016 10.016S22.016 17.522 22.016 12c0-5.523-4.495-10.016-10.016-10.016zm0 2c4.407 0 8.016 3.609 8.016' fill='%233A813D'/%3E%3Cpath d='M10.477,13.136l5.085-5.085l1.406,1.406l-6.492,6.492l-3.446-3.445l1.406-1.406L10.477,13.136z' fill='%233A813D'/%3E%3C/svg%3E") center/cover no-repeat;
}
.bar-bottom[data-notification-status=question] {
  background-color: #8D6E63;
}
.bar-bottom[data-notification-status=question]:before {
  content: "";
  display: block;
  width: 30px;
  height: 30px;
  min-width: 30px;
  margin-right: 20px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M12 3.984c4.407 0 8.016 3.609 8.016 8.016 0 4.406-3.608 8.016-8.016 8.016S3.984 16.407 3.984 12 7.593 3.984 12 3.984m0-2C6.478 1.984 1.984 6.477 1.984 12c0 5.521 4.493 10.016 10.016 10.016S22.016 17.522 22.016 12c0-5.523-4.495-10.016-10.016-10.016zm0 2c4.407 0 8.016 3.609 8.016' fill='%23513F39'/%3E%3Cpath d='M12.001,6.314h-0.002c-1.996,0-3.609,1.614-3.609,3.609h1.784c0-0.977,0.85-1.784,1.826-1.784  c0.977,0,1.827,0.807,1.827,1.784c0,1.826-2.718,1.614-2.718,4.544h1.784c0-2.038,2.717-2.294,2.717-4.544  C15.609,7.928,13.997,6.314,12.001,6.314z M11.109,17.186h1.784v-1.826h-1.784V17.186z' fill='%23513F39'/%3E%3C/svg%3E") center/cover no-repeat;
}
.bar-bottom[data-notification-status=plain] {
  background-color: #333;
}

JavaScript

粒子时间文字 hover canvas 3d 游戏音乐火焰水波轮播图鼠标跟随动画 css 加载动画导航菜单按钮滑块 tab 弹出层统计图 svg