2 926 Codepen

Пиво на CSS

Кружка пива, которая наполняется пивом. Сделано на CSS и с использованием SVG.


HTML

<div class="glass">
  <div class="wrapper">
    <div class="pour">
      <div class="stream"></div>
    </div>
    <div class="contents">
      <div class="beer">
        <div class="bubbles">
          <div class="layer"></div>
          <div class="layer more"></div>
        </div>
        <div class="surface">
          <div class="head"></div>
        </div>
      </div>
    </div>
  </div>
  <svg viewBox="0 0 550 980">
    <style type="text/css">
      .st0{fill:url(#SVGID_1_);}
      .st1{fill:#FFFFFF;}
      .st2{opacity:0.85;fill:#FFFFFF;}
      .st3{opacity:0.86;fill:#FFFFFF;}
      .st4{opacity:0.5;fill:#FFFFFF;}
      .st5{fill:url(#SVGID_2_);}
    </style>
    <linearGradient id="SVGID_1_" gradientUnits="userSpaceOnUse" x1="399.6879" y1="462.5569" x2="516.6628" y2="462.5569">
      <stop  offset="0.1021" style="stop-color:#FFFFFF;stop-opacity:0"/>
      <stop  offset="1" style="stop-color:#FFFFFF"/>
    </linearGradient>
    <path class="st0" d="M399.69,81.11c39.58-2.26,83.23-10.35,104.66-14.72c6.71-1.37,12.84,4.07,12.28,10.89
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    <path class="st3" d="M333.03,908.96c-19.07-1.51-41.93-2.67-58.03-2.67s-38.96,1.16-58.03,2.67c-19.06,1.52-38.08,3.67-56.93,6.86
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      <stop  offset="0.1021" style="stop-color:#FFFFFF;stop-opacity:0"/>
      <stop  offset="1" style="stop-color:#FFFFFF"/>
    </linearGradient>
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  </svg>
</div>

<div class="instructions">and<br/>hold to pour</div>

CSS

html {
  height: 100%;
}

body {
  background: black;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  overflow: hidden;
}

/* GLASS */
.glass {
  position: relative;
  width: 40vmin;
  outline: none;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: rgba(0,0,0,0);
}

.glass svg {
  position: relative;
  z-index: 1;
  display: block;
  transform: translateZ(100vmin);
}

.glass .wrapper {
  position: absolute;
  left: 10.5%;
  right: 10.5%;
  top: 5%;
  bottom: -15%;
  transform: perspective(96vmin) rotateX(-30.8deg);
}

.glass .contents {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  border-radius: 0 0 25% 25% / 0 0 10% 10%;
  overflow: hidden;
}


/* BEER */
.glass .beer {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 0;
  background-size: 100% 100%;
  animation-name: fill;
  background-image: url('https://s3-us-west-2.amazonaws.com/s.cdpn.io/1526092/beer.png');
  /* Had to use an image for the gradient because css linear gradients don't create a smooth enough ramp between stops for my liking. */
}

.glass .surface {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 100%;
  transform: scale(0);
  opacity: 1;
  animation-name: surface;
}

.glass .surface::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  padding-bottom: 15%;
  margin-top: -5%;
  border-radius: 50%;
  background: #000;
  opacity: 0.35;
}

.glass .surface::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  padding-bottom: 15%;
  margin-top: -7.5%;
  border-radius: 50%;
  background: #d39909;
}

@keyframes fill {
  0% {
    height: 0%;
  }
  100% {
    height: 89%;
  }
}

@keyframes surface {
  0% {
    transform: scale(0);
    opacity: 0;
  }
  10%, 100% {
    transform: scale(1);
    opacity: 1;
  }
}


/* BUBBLES */
.glass .bubbles {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  overflow: hidden;
}

.glass .bubbles .layer {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 10%;
  padding-bottom: 200%;
  background-size: 100% auto;
  background-image: url('https://s3-us-west-2.amazonaws.com/s.cdpn.io/1526092/bubbles.png');
  background-repeat: repeat-y;
  -webkit-mask-image: linear-gradient(to top, transparent 20%, black 100%);
  animation-name: bubbly;
  animation-duration: 3s;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
}

.glass .bubbles .layer.more {
  transform: rotate(180deg);
  -webkit-mask-image: linear-gradient(to bottom, transparent 40%, black 100%);
  animation-direction: reverse;
  animation-duration: 3.5s;
  opacity: 0.65;
}

@keyframes bubbly {
  from {
    background-position-y: 100%
  }
}


/* HEAD */
.glass .head {
  position: absolute;
  z-index: 1;
  left: 0;
  right: 0;
  bottom: 100%;
  padding-bottom: 0%;
  opacity: 0;
  animation-name: fill-head;
  background: linear-gradient(to right, rgba(178,178,178,1) 0%,rgba(235,235,235,1) 50%,rgba(178,178,178,1) 100%);
}

.glass .head::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding-bottom: 15%;
  border-radius: 50%;
  margin-bottom: -7.5%;
  background: linear-gradient(to right, rgba(178,178,178,1) 0%,rgba(235,235,235,1) 50%,rgba(178,178,178,1) 100%);
}

.glass .head::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  padding-bottom: 15%;
  margin-top: -7.5%;
  border-radius: 50%;
  background: #f4f4f4;
}

@keyframes fill-head {
  0% {
    padding-bottom: 0%;
    opacity: 0;
  }
  35% {
    padding-bottom: 0%;
    opacity: 0;
  }
  45% {
    opacity: 1;
  }
  100% {
    opacity: 1;
    padding-bottom: 20.5%;
  }
}


/* POUR */

.pour {
  position: absolute;
  z-index: 2;
  left: 50%;
  bottom: 0;
  width: 0;
  opacity: 0;
  height: 200%;
  transform: translateX(-50%);
  animation-name: pour-position;
  transition: 200ms;
}

.pour .stream {
  content: "";
  position: absolute;
  left: 50%;
  right: 0;
  top: 0;
  bottom: 0;
  transform: translateX(-50%);
  background: linear-gradient(to bottom, rgba(211,153,9,0) 0%,rgba(211,153,9,1) 20%,rgba(211,153,9,1) 100%);
  animation-name: pour-opacity;
}

.pour .stream::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding-bottom: 25%;
  border-radius: 50%;
  background: #d39909;
  transform: translateY(50%);
}

@keyframes pour-position {
  0% {
    bottom: 0;
    margin-bottom: 0%;
    height: 200%;
  }
  35% {
    margin-bottom: 0%;
  }
  100% {
    bottom: 89%;
    margin-bottom: 20.5%;
    height: 50%;
  }
}

@keyframes pour-opacity {
  0%,96% {
    opacity: 1;
    width: 100%;
  }
  100% {
    opacity: 0;
    width: 0;
  }
}


/* INSTRUCTIONS */
.instructions {
  position: fixed;
  left: 50%;
  top: 50%;
  color: #fff;
  text-align: center;
  font-family: sans-serif;
  font-size: 3vmin;
  opacity: 0.5;
  text-transform: uppercase;
  transform: translate(-50%,-50%);
  animation-name: instructions;
}

@media (pointer: fine) {
  .instructions::before {
    content: "Click ";
  }
}

@media (pointer: coarse) {
  .instructions::before {
    content: "Tap ";
  }
}

@keyframes instructions {
  0%, 15% {
    opacity: 0.5;
  }
  20%, 100% {
    opacity: 0;
  }
}


/* DEFINE ANIMATION */

.glass .beer,
.glass .head,
.glass .surface,
.glass .pour,
.glass .pour .stream,
.instructions {
  animation-timing-function: cubic-bezier(.2,0,.4,1);
  animation-duration: 4s;
  animation-fill-mode: forwards;
  animation-play-state: paused;
}


/* ANIMATE FILL */
@media (pointer: fine) {
  .glass:active .beer,
  .glass:active .head,
  .glass:active .surface,
  .glass:active .pour,
  .glass:active .pour .stream,
  .glass:active ~ .instructions {
    animation-play-state: running;
  }

  .glass:active .pour {
    width: 10%;
    opacity: 1;
  }
}

@media (pointer: coarse) {
  .glass:hover .beer,
  .glass:hover .head,
  .glass:hover .surface,
  .glass:hover .pour,
  .glass:hover .pour .stream,
  .glass:hover ~ .instructions {
    animation-play-state: running;
  }

  .glass:hover .pour {
    width: 10%;
    opacity: 1;
  }
}
Ссылки
https://codepen.io/mikegolus/pen/jJzRwJ

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