Button Hover Effects

@import url(http://fonts.googleapis.com/css?family=Roboto:400,100,900);
* {
  box-sizing: inherit;
  -webkit-transition-property: all;
  transition-property: all;
  -webkit-transition-duration: .6s;
          transition-duration: .6s;
  -webkit-transition-timing-function: ease;
          transition-timing-function: ease;
}

html,
body {
  box-sizing: border-box;
  height: 100%;
  width: 100%;
}

body {
  background: #E1332D;
  font-family: 'Roboto', sans-serif;
  font-weight: 400;
}

.buttons {
  display: table;
  height: 100%;
  width: 100%;
}

.container {
  display: table-cell;
  padding: 1em;
  text-align: center;
  vertical-align: middle;
}

h1 {
  color: #fff;
  font-size: 1.25em;
  font-weight: 900;
  margin: 0 0 2em;
}
@media (min-width: 450px) {
  h1 {
    font-size: 1.75em;
  }
}
@media (min-width: 760px) {
  h1 {
    font-size: 3.25em;
  }
}
@media (min-width: 900px) {
  h1 {
    font-size: 5.25em;
    margin: 0 0 1em;
  }
}

p {
  color: #fff;
  font-size: 12px;
}
@media (min-width: 600px) {
  p {
    left: 50%;
    position: absolute;
    -webkit-transform: translate(-50%, 0);
            transform: translate(-50%, 0);
    top: 90%;
  }
}
@media (max-height: 500px) {
  p {
    left: 0;
    position: relative;
    top: 0;
    -webkit-transform: translate(0, 0);
            transform: translate(0, 0);
  }
}
p a {
  background: rgba(255, 255, 255, 0);
  border-bottom: 1px solid;
  color: #fff;
  line-height: 1.4;
  padding: .25em;
  text-decoration: none;
}
p a:hover {
  background: white;
  color: #E1332D;
}

.btn {
  color: #fff;
  cursor: pointer;
  display: block;
  font-size: 16px;
  font-weight: 400;
  line-height: 45px;
  margin: 0 auto 2em;
  max-width: 160px;
  position: relative;
  text-decoration: none;
  text-transform: uppercase;
  vertical-align: middle;
  width: 100%;
}
@media (min-width: 400px) {
  .btn {
    display: inline-block;
    margin-right: 2.5em;
  }
  .btn:nth-of-type(even) {
    margin-right: 0;
  }
}
@media (min-width: 600px) {
  .btn:nth-of-type(even) {
    margin-right: 2.5em;
  }
  .btn:nth-of-type(5) {
    margin-right: 0;
  }
}
.btn:hover {
  text-decoration: none;
}

.btn-1 {
  background: #e02c26;
  font-weight: 100;
}
.btn-1 svg {
  height: 45px;
  left: 0;
  position: absolute;
  top: 0;
  width: 100%;
}
.btn-1 rect {
  fill: none;
  stroke: #fff;
  stroke-width: 2;
  stroke-dasharray: 422, 0;
}

.btn-1:hover {
  background: rgba(225, 51, 45, 0);
  font-weight: 900;
  letter-spacing: 1px;
}
.btn-1:hover rect {
  stroke-width: 5;
  stroke-dasharray: 15, 310;
  stroke-dashoffset: 48;
  -webkit-transition: all 1.35s cubic-bezier(0.19, 1, 0.22, 1);
  transition: all 1.35s cubic-bezier(0.19, 1, 0.22, 1);
}

.btn-2 {
  letter-spacing: 0;
}

.btn-2:hover,
.btn-2:active {
  letter-spacing: 5px;
}

.btn-2:after,
.btn-2:before {
  -webkit-backface-visibility: hidden;
          backface-visibility: hidden;
  border: 1px solid rgba(255, 255, 255, 0);
  bottom: 0px;
  content: " ";
  display: block;
  margin: 0 auto;
  position: relative;
  -webkit-transition: all 280ms ease-in-out;
  transition: all 280ms ease-in-out;
  width: 0;
}

.btn-2:hover:after,
.btn-2:hover:before {
  -webkit-backface-visibility: hidden;
          backface-visibility: hidden;
  border-color: #fff;
  -webkit-transition: width 350ms ease-in-out;
  transition: width 350ms ease-in-out;
  width: 70%;
}

.btn-2:hover:before {
  bottom: auto;
  top: 0;
  width: 70%;
}

.btn-3 {
  background: #e3403a;
  border: 1px solid #da251f;
  box-shadow: 0px 2px 0 #d6251f, 2px 4px 6px #e02a24;
  font-weight: 900;
  letter-spacing: 1px;
  -webkit-transition: all 150ms linear;
  transition: all 150ms linear;
}

.btn-3:hover {
  background: #e02c26;
  border: 1px solid rgba(0, 0, 0, 0.05);
  box-shadow: 1px 1px 2px rgba(255, 255, 255, 0.2);
  color: #ec817d;
  text-decoration: none;
  text-shadow: -1px -1px 0 #c2211c;
  -webkit-transition: all 250ms linear;
  transition: all 250ms linear;
}

.btn-4 {
  border: 1px solid;
  overflow: hidden;
  position: relative;
}
.btn-4 span {
  z-index: 20;
}
.btn-4:after {
  background: #fff;
  content: "";
  height: 155px;
  left: -75px;
  opacity: .2;
  position: absolute;
  top: -50px;
  -webkit-transform: rotate(35deg);
          transform: rotate(35deg);
  -webkit-transition: all 550ms cubic-bezier(0.19, 1, 0.22, 1);
  transition: all 550ms cubic-bezier(0.19, 1, 0.22, 1);
  width: 50px;
  z-index: -10;
}

.btn-4:hover:after {
  left: 120%;
  -webkit-transition: all 550ms cubic-bezier(0.19, 1, 0.22, 1);
  transition: all 550ms cubic-bezier(0.19, 1, 0.22, 1);
}

.btn-5 {
  border: 0 solid;
  box-shadow: inset 0 0 20px rgba(255, 255, 255, 0);
  outline: 1px solid;
  outline-color: rgba(255, 255, 255, 0.5);
  outline-offset: 0px;
  text-shadow: none;
  -webkit-transition: all 1250ms cubic-bezier(0.19, 1, 0.22, 1);
  transition: all 1250ms cubic-bezier(0.19, 1, 0.22, 1);
}

.btn-5:hover {
  border: 1px solid;
  box-shadow: inset 0 0 20px rgba(255, 255, 255, 0.5), 0 0 20px rgba(255, 255, 255, 0.2);
  outline-color: rgba(255, 255, 255, 0);
  outline-offset: 15px;
  text-shadow: 1px 1px 2px #427388;
}