html - 使用 CSS 仅旋转边框

Question

<分区>

Answer 1

旋转父级也会旋转子级，所以最好像这里一样单独设置边框样式

.circle {
  width: 100px;
  height: 100px;
  position: relative;
}
.circle .border {
  /* content: ''; */
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  background: transparent;
  border-radius: 50%;
  border: 2px dashed #000;
  -webkit-animation-name: Rotate;
  -webkit-animation-duration: 2s;
  -webkit-animation-iteration-count: infinite;
  -webkit-animation-timing-function: linear;
  -moz-animation-name: Rotate;
  -moz-animation-duration: 2s;
  -moz-animation-iteration-count: infinite;
  -moz-animation-timing-function: linear;
  -ms-animation-name: Rotate;
  -ms-animation-duration: 2s;
  -ms-animation-iteration-count: infinite;
  -ms-animation-timing-function: linear;
}
.play {
  padding: 20px 30px;
  font-size: 56px;
}
.stop {
  font-size: 12px;
  padding: 30px;
  text-align: center;
}
@-webkit-keyframes Rotate {
  from {
    -webkit-transform: rotate(0deg);
  }
  to {
    -webkit-transform: rotate(360deg);
  }
}
@-moz-keyframes Rotate {
  from {
    -moz-transform: rotate(0deg);
  }
  to {
    -moz-transform: rotate(360deg);
  }
}
@-ms-keyframes Rotate {
  from {
    -ms-transform: rotate(0deg);
  }
  to {
    -ms-transform: rotate(360deg);
  }
}

<div class="circle">
  <div class="border"></div>
  <div class="play"><i class="fa fa-play"></i>
  </div>
</div>

<p>
  PS: The icon loading is a bit slow. Wait until it shows up.
</p>

<div class="circle">
  <div class="border"></div>
  <div class="stop">Stop me please</div>
</div>