/* DaTouWang URL: www.datouwang.com */
html,
body {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #FCEAFC;
}

.container {
  width: 320px;
  height: 180px;
}
.container .color {
  height: 30px;
}
.container .color div {
  height: 30px;
  width: 0;
}
.container .color .red {
  background: #f25774;
  animation-name: slide;
  animation-duration: 2.5s;
  animation-iteration-count: infinite;
}
.container .color .orange {
  background: #ffb65b;
  animation-name: slide;
  animation-duration: 2.5s;
  animation-iteration-count: infinite;
  animation-delay: 0.1s;
}
.container .color .yellow {
  background: #fdda74;
  animation-name: slide;
  animation-duration: 2.5s;
  animation-iteration-count: infinite;
  animation-delay: 0.2s;
}
.container .color .green {
  background: #4cbe5d;
  animation-name: slide;
  animation-duration: 2.5s;
  animation-iteration-count: infinite;
  animation-delay: 0.3s;
}
.container .color .blue {
  background: #4080ff;
  animation-name: slide;
  animation-duration: 2.5s;
  animation-iteration-count: infinite;
  animation-delay: 0.4s;
}
.container .color .purple {
  background: #7b64c0;
  animation-name: slide;
  animation-duration: 2.5s;
  animation-iteration-count: infinite;
  animation-delay: 0.5s;
}

@keyframes slide {
  10% {
    width: 0;
    float: left;
  }
  37% {
    width: 100%;
    float: left;
  }
  63% {
    width: 100%;
    float: right;
  }
  90% {
    width: 0;
    float: right;
  }
}