Css-heart

综合使用css3动画、渐变等手段实现

by Korah Babu Varghese

HTML

<link rel="stylesheet" href="https://cdn.bootcss.com/font-awesome/4.7.0/css/font-awesome.css">
<body>
  <div class="sb-opener-container sb-pulsating">
    <button class="sb-opener sb-bubble fa fa-heart sb-opener-show"></button>
  </div>
</body>

CSS

.sb-pulsating {
  -webkit-animation: sb-pulse 2s infinite;
  -moz-animation: sb-pulse 2s infinite;
  -o-animation: sb-pulse 2s infinite;
  -ms-animation: sb-pulse 2s infinite;
  animation: sb-pulse 2s infinite;
}

.sb-opener-container {
  position: absolute;
  left: 20px;
  top: 20px;
  -webkit-border-radius: 100px;
  border-radius: 100px;
}

@-webkit-keyframes 'sb-pulse' {
  0% {
    -webkit-box-shadow: 0 0 0 0 rgba(233, 44, 108, .5);
    box-shadow: 0 0 0 0 rgba(233, 44, 108, .5);
  }
  70% {
    -webkit-box-shadow: 0 0 0 15px rgba(233, 44, 108, 0);
    box-shadow: 0 0 0 15px rgba(233, 44, 108, 0);
  }
  100% {
    -webkit-box-shadow: 0 0 0 0 rgba(233, 44, 108, 0);
    box-shadow: 0 0 0 0 rgba(233, 44, 108, 0);
  }
}

.sb-bubble {
  cursor: pointer;
  opacity: 0;
  -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";
  filter: alpha(opacity=0);
  -webkit-border-radius: 30px;
  border-radius: 30px;
  -webkit-box-shadow: 2px 2px 20px #000;
  box-shadow: 2px 2px 20px #000;
  color: #fcfcfc;
}

.sb-bubble:before {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  text-align: center;
}

.sb-opener {
  border-style: solid;
  border-color: rgba(0, 0, 0, .02);
  background-color: #e92c6c;
  background: -webkit-linear-gradient(top left, #e92c6c 0, #e81f63 100%);
  background: -moz-linear-gradient(top left, #e92c6c 0, #e81f63 100%);
  background: -o-linear-gradient(top left, #e92c6c 0, #e81f63 100%);
  background: -ms-linear-gradient(top left, #e92c6c 0, #e81f63 100%);
  background: linear-gradient(to bottom right, #e92c6c 0, #e81f63 100%);
  text-shadow: 2px 2px #ea6c93;
  -webkit-transform: rotateZ(45deg);
  -moz-transform: rotateZ(45deg);
  -o-transform: rotateZ(45deg);
  -ms-transform: rotateZ(45deg);
  transform: rotateZ(45deg);
  -webkit-transition: all 1s ease-in-out;
  -moz-transition: all 1s ease-in-out;
  -o-transition: all 1s ease-in-out;
  -ms-transition: all 1s ease-in-out;
  transition: all 1s ease-in-out;
}

.sb-opener {
  width:...