CSS促销动画

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html

css

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html

<div class="container">
        <a class="box box--1">
            <div class="box__background">
                <div class="box__text-line box__text-line--top">
                    <span>Limited time</span>
                </div>
                <div class="box__text-line box__text-line--bottom">
                    <span>WEEKEND SALE EVENT</span>
                </div>
            </div>
            <div class="box__content">
                <div class="box__col">
                    <div class="box__title">Black <span>Friday</span></div>
                    <div class="box__btn">shop now</div>
                </div>
                <div class="box__col">
                    <div class="box__card card">
                        <div class="card__top">
                            21.11 - 27.11
                        </div>
                        <div class="card__title">
                            <span>15%</span> Electronics
                        </div>
                        <div class="card__btn">
                            See more
                        </div>
                    </div>
                    <div class="box__card card">
                        <div class="card__top">
                            25 november
                        </div>
                        <div class="card__title">
                            <span>35%</span> everything
                        </div>
                        <div class="card__btn">
                            See more
                        </div>
                    </div>
                </div>
            </div>
        </a>
        <a class="box box--2">
            <svg class="box__background" viewBox="0 0 800 800" fill="none" xmlns="http://www.w3.org/2000/svg">
                <path id="line1"
                    d="M251.994 21.5L251.995 190.5C251.995 212.591 269.903 230.5 291.995 230.5L517.5 230.5C539.592 230.5 557.5 248.409 557.5 270.5L557.5 275.5C557.5 297.591 575.409 315.5 597.5 315.5L759 315.5"
                    stroke="black" stroke-width="40" stroke-linecap="round" />
                <path id="line2"
                    d="M20.5001 451L226 451C248.091 451 266 468.909 266 491L266 530C266 552.091 283.908 570 306 570L475.5 570C497.591 570 515.5 587.909 515.5 610L515.5 776.5"
                    stroke="black" stroke-width="40" stroke-linecap="round" />
                <text fill="#fff">
                    <textpath startOffset="0%" text-anchor="middle" alignment-baseline="central" xlink:href="#line1">
                        WEEKEND SALE EVENT
                        <animate attributeName="startOffset" from="0%" to="100%" begin="0s" dur="6s"
                            repeatCount="indefinite" />
                    </textpath>
                </text>
                <text fill="#fff">
                    <textpath startOffset="0%" text-anchor="middle" alignment-baseline="central" xlink:href="#line1">
                        WEEKEND SALE EVENT
                        <animate attributeName="startOffset" from="0%" to="100%" begin="3s" dur="6s"
                            repeatCount="indefinite" />
                    </textpath>
                </text>

<text fill="#fff">
                    <textpath startOffset="0%" text-anchor="middle" alignment-baseline="central" xlink:href="#line2">ONE
                        Day
                        <animate attributeName="startOffset" from="0%" to="100%" begin="0s" dur="6s"
                            repeatCount="indefinite" />
                    </textpath>
                </text>
                <text fill="#fff">
                    <textpath startOffset="0%" text-anchor="middle" alignment-baseline="central" xlink:href="#line2">
                        special OFFER
                        <animate attributeName="startOffset" from="0%" to="100%" begin="3s" dur="6s"
                            repeatCount="indefinite" />
                    </textpath>
                </text>
            </svg>
            <div class="box__content">
                get up to <span>50%</span> off
                <div class="box__btn">shop now</div>
            </div>
        </a>
        <a class="box box--3">
            <svg class="box__background" viewBox="0 0 540 540" fill="none" xmlns="http://www.w3.org/2000/svg">
                <path
                    d="M420 270C420 352.843 352.843 420 270 420C187.157 420 120 352.843 120 270C120 187.157 187.157 120 270 120C352.843 120 420 187.157 420 270Z"
                    fill="black" />

</svg>

</svg>
            <svg class="box__background box__text-svg" viewBox="0 0 540 540" fill="none"
                xmlns="http://www.w3.org/2000/svg">
                <path id="circle3"
                    d="M520 270C520 408.071 408.071 520 270 520C131.929 520 20 408.071 20 270C20 131.929 131.929 20 270 20C408.071 20 520 131.929 520 270Z"
                    stroke-width="40" />

<div class="box__content">
                get up to <span>25%</span>
                <div class="box__btn">shop now</div>
            </div>
        </a>
        <a class="box box--4">
            <div class="box__content">
                70%
                <span>WEEKEND SALE EVENT</span>
                5%
                <span>the full</span>
                20%
                <span>SUPER SALE</span>
                10%
                <span>5% off</span>
                <span>SALE</span>
                70%
                <span>SALE EVENT</span>
                <span>ONE Day</span>!
                10%
                <span>SALE</span>
                <span>the full</span>
                70%! $$
                <span class="box__title box__title--top">Black Friday</span>
                <span>70%</span>$$!
                <span>85% off</span>
                <span class="box__title">shop now</span>$
                <span>5% off</span>$
                <span>50% OFF</span>
                <span>SALE</span>
                70%
                <span>BEST OFFER</span>
                <span>the full</span>$
                30%!
                <span>Limited time</span>
                50%<span>off sale</span>
                <span>special OFFER</span>
            </div>
        </a>
    </div>

css

@import url("https://fonts.googleapis.com/css2?family=Montserrat:wght@400;800&display=swap");
:root {
  --color-black: black;
  --color-white: white;
  --color-yellow: yellow;
  --color-grey: #e8e8e8;
  --time: 4s;
  --time-s: 0.3s;
  --vw: 60vw;
}
@media (max-width: 768px) {
  :root {
    --size-height: 54px;
  }
}

* {
  box-sizing: border-box;
}

a {
  text-decoration: none;
  color: white;
}

html {
  font-size: 1vw;
}
@media (max-width: 768px) {
  html {
    font-size: 1.6vw;
  }
}

body {
  font-family: "Montserrat", sans-serif;
  min-height: 100vh;
  background-color: var(--color-grey);
  color: #fff;
  font-size: 3rem;
  line-height: 1;
  font-weight: 300;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0;
}

.container {
  width: 100%;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

.box {
  cursor: pointer;
  position: relative;
  display: inline-block;
  box-sizing: border-box;
  width: 30vw;
  padding-bottom: 30vw;
  margin: 1vw;
  background-color: #7f72d2;
  background-color: var(--color-yellow);
  text-transform: uppercase;
  font-weight: 800;
  overflow: hidden;
}
@media (max-width: 768px) {
  .box {
    width: 46vw;
    padding-bottom: 46vw;
  }
}
.box:hover .box__btn {
  background-color: var(--color-yellow);
  color: var(--color-black);
}
.box:hover .box__background {
  animation-play-state: paused;
}
.box__title {
  transition: all var(--time-s);
  transform: scale(1) translateY(0);
}
.box__btn {
  line-height: 4vw;
  text-align: center;
  max-width: 80%;
  padding: 0 2vw;
  font-size: 1.8rem;
  margin-top: 1vw;
  transition: all var(--time-s);
  transform: scale(1);
  background-color: var(--color-black);
  color: var(--color-white);
  border: 1px solid var(--color-black);
}
.box__background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: auto;
}
.box__content {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 2vw;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  align-content: center;
}
.box__col {
  width: 50%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-content: center;
  align-items: center;
  justify-content: center;
}
.box__text-line {
  position: absolute;
  font-size: 1.5rem;
  text-align: center;
  left: 3vw;
  right: 50%;
}
.box__text-line--top {
  top: 0;
}
.box__text-line--bottom {
  bottom: 0;
}
.box__text-line span {
  line-height: 3vw;
  padding: 0 1.5vw;
  background-color: var(--color-yellow);
}
.box__text-svg {
  transform-origin: 50% 50%;
  animation: rotate normal infinite calc(var(--time-s) * 30) linear;
}
.box__text-svg--reverse {
  animation: rotateReverse normal infinite calc(var(--time-s) * 50) linear;
}
.box--1, .box--4 {
  width: 60vw;
}
@media (max-width: 768px) {
  .box--1, .box--4 {
    width: 94vw;
    padding-bottom: 46vw;
  }
}
.box--1 {
  background-color: var(--color-white);
  color: var(--color-black);
}
.box--1 .box__background {
  outline: 3vw solid var(--color-yellow);
  outline-offset: -3vw;
  height: 100%;
}
.box--1 .box__background:before {
  content: "";
  position: absolute;
  border: 1px solid var(--color-black);
  left: 1.5vw;
  right: 1.5vw;
  top: 1.5vw;
  bottom: 1.5vw;
}
.box--1 .box__content {
  padding: 3vw;
}
.box--1 .box__title {
  text-align: center;
  font-size: 5rem;
}
.box--1 .box__title span {
  display: block;
  font-size: 4rem;
}
.box--2 {
  font-size: 1.5rem;
}
.box--2 .box__background {
  top: -50%;
  left: -50%;
  width: 200%;
  height: auto;
  font-size: 24px;
}
.box--2 .box__content {
  color: var(--color-black);
  justify-content: center;
  align-items: center;
  align-content: center;
  flex-direction: column;
}
.box--2 .box__content span {
  display: block;
  font-size: 8rem;
}
.box--3 .box__background {
  top: -20%;
  left: -20%;
  width: 140%;
  height: auto;
  font-size: 30px;
}
.box--3 .box__content {
  font-size: 1.5rem;
  color: var(--color-white);
  justify-content: center;
  align-items: center;
  align-content: center;
  flex-direction: column;
}
.box--3 .box__content span {
  display: block;
  font-size: 6rem;
}
.box--3 .box__btn {
  background-color: var(--color-white);
  color: var(--color-black);
}
.box--4 {
  background-color: var(--color-black);
  text-shadow: -1px 0 0 var(--color-white), 0 -1px 0 var(--color-white), 1px 0 0 var(--color-white), 0 1px 0 var(--color-white);
  color: #000;
}
.box--4 span {
  letter-spacing: 0.3vw;
  animation: text var(--time) linear infinite running;
}
.box--4 span:nth-child(2n+1) {
  animation-delay: calc(var(--time) / 4);
}
.box--4 span:nth-child(3n+2) {
  animation-delay: calc(var(--time) / 2);
}
.box--4:hover {
  text-shadow: -1px 0 0 var(--color-grey), 0 -1px 0 var(--color-grey), 1px 0 0 var(--color-grey), 0 1px 0 var(--color-grey);
}
.box--4:hover span {
  animation: none;
}
.box--4:hover .box__title {
  z-index: 2;
  opacity: 1;
  text-shadow: -1px 0 0 var(--color-yellow), 0 -1px 0 var(--color-yellow), 1px 0 0 var(--color-yellow), 0 1px 0 var(--color-yellow);
  transform: scale(1.6);
  color: var(--color-yellow);
}
.box--4:hover .box__title--top {
  transform: scale(1.6) translateY(-1vw);
}

.card {
  position: relative;
  font-size: 1.5rem;
  color: var(--color-black);
  border: 1px solid var(--color-black);
  background-color: var(--color-grey);
  margin: 3%;
  height: 40%;
  width: 88%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.card__top {
  background-color: var(--color-black);
  color: var(--color-white);
  text-align: center;
  line-height: 1.2;
}
.card__title {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  flex: 1;
  transition: all var(--time-s);
}
.card__title span {
  padding-right: 4%;
  font-size: 3rem;
}
.card__btn {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  line-height: 1.2;
  transition: all var(--time-s);
  background-color: var(--color-yellow);
  color: var(--color-black);
  border-top: 1px solid var(--color-black);
  text-align: center;
  transform: translateY(100%);
}
.card:hover .card__title {
  transform: translateY(-1vw);
}
.card:hover .card__btn {
  transform: translateY(0);
}

@keyframes text {
  0%, 19% {
    color: var(--color-white);
  }
  20%, 100% {
    color: var(--color-black);
  }
}
@keyframes rotate {
  to {
    transform: rotate(360deg);
  }
}
@keyframes rotateReverse {
  to {
    transform: rotate(-360deg);
  }
}

JavaScript

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