Through cases, learn how to create simple animations with CSS3

The following article uses a case to introduce how to use CSS3 to create simple animations. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to everyone.

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1.Easy loading

@keyframes myfirst
   {
       from{transform: rotate(0deg)}to{transform: rotate(360deg)}
   }
   .loading{
               //infinite控制执行次数这里一直执行，linear执行速度，匀速
       animation: myfirst 1.5s infinite linear;
       border: 16px solid #f3f3f3;
       border-radius: 50%;
       border-top:16px solid blue;
       width: 120px;
       height: 120px;
   }

   <div class="loading"></div>

2.Easy Progress bar

.move {
        width: 0px;
        height: 10px;
        animation: moveHover 5s infinite linear;

    }

  <div class="move"></div>

3. Transition attribute

.change
{
    transition: width 2s;
    font-size: 10px;
    width: 100px;
    height: 20px;
    background: yellow;
    -moz-transition: width 2s;    /* Firefox 4 */
    -webkit-transition: width 2s;    /* Safari 和 Chrome */
    -o-transition: width 2s;    /* Opera */
}
.change:hover
{
    width: 500px;
}
<div class="change">鼠标滑过</div>

.bigger{
    font-size: 20px;
    width: 0;
    height: 0;//scale根据宽高变大，必须设置width和height
    background: #2A9F00;
    transition: transform 5s;
}
.bigger:hover{
    transform: scale(10);
}
<div class="bigger">大</div>

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