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css3 transform属性创意Loading加载动画效果

分类：进度条日期：2024-05-14 点击(5) 评论(0)

简介

#### CSS代码

------------

```css
@-webkit-keyframes piston {
    0% { margin-top: 0; }
    50% { margin-top: 80px; }
    100% { margin-top: 0; }
}
@keyframes piston {
    0% { margin-top: 0; }
    50% { margin-top: 80px; }
    100% { margin-top: 0; }
}
@-webkit-keyframes arm {
    0% { -webkit-transform: rotate(0); }
    25% { -webkit-transform: rotate(-18deg); }
    50% { -webkit-transform: rotate(0); }
    75% { -webkit-transform: rotate(18deg); }
    100% { -webkit-transform: rotate(0); }
}
@keyframes arm {
    0% { transform: rotate(0); }
    25% { transform: rotate(-18deg); }
    50% { transform: rotate(0); }
    75% { transform: rotate(18deg); }
    100% { transform: rotate(0); }
}

html {
    height: 100%;
}
body {
    margin: 60px 0 0;
    text-align: center;
    background: linear-gradient(to bottom, coral, tomato);
}

#robot {
    position: absolute;
    top:50%; left:50%;
    width: 540px;
    height: 250px;
    margin-top:-125px; margin-left:-270px;
    font-family: 'Oswald', sans-serif;
    font-size: 30px;
    font-weight: 700;
    color: #444;
    text-shadow: 0px -1px 1px rgba(0,0,0,.7), 0px 1px 1px rgba(255,255,255,.4);
}

.piston {
    float: left;
    margin-right: 10px;
    position: relative;
    width: 100px; 
    height: 250px;
    background: rgba(0,0,0,.1);
    border-radius: 10px 10px 50px 50px;
    box-shadow: 0 -4px 0 rgba(0,0,0,.2), 0 4px 0 rgba(255,255,255,.2);
}
.piston:last-child {
    margin: 0;
}

.piston .block {
    position: relative;
    width: 100px; 
    height: 60px;
    line-height: 60px;
    background: #555;
    border-radius: 10px;
    -webkit-animation: piston 1.2s cubic-bezier(.5,0,.5,1) infinite;
    animation: piston 1.2s cubic-bezier(.5,0,.5,1) infinite;
    box-shadow: inset 0 -4px 0 rgba(0,0,0,.2), inset 0 4px 0 rgba(255,255,255,.2);
}
.piston:nth-child(1) .block { -webkit-animation-delay: 0s; animation-delay: 0s; }
.piston:nth-child(2) .block { -webkit-animation-delay: .1s; animation-delay: .1s; }
.piston:nth-child(3) .block { -webkit-animation-delay: .2s; animation-delay: .2s; }
.piston:nth-child(4) .block { -webkit-animation-delay: .3s; animation-delay: .3s; }
.piston:nth-child(5) .block { -webkit-animation-delay: .4s; animation-delay: .4s; }

.piston .arm {
    position: absolute;
    top:50%; left:50%;
    margin: -10px 0 0 -10px;
    width: 20px;
    height: 150px;
    background: #555;
    border-radius: 10px;
    box-shadow: inset 0 -22px 0 rgba(0,0,0,.2);
    z-index: -1;
    -webkit-transform-origin: center 10px;
    -webkit-animation: arm 1.2s linear infinite;
    -webkit-animation-delay: inherit;
    transform-origin: center 10px;
    animation: arm 1.2s linear infinite;
    animation-delay: inherit;
}
.piston .arm:before,
.piston .arm:after{
    content: '';
    position: absolute;
    right:0; left:0;
    height: 16px;
    background: #eee;
    border-radius: 50%;
    margin: 2px;
}
.piston .arm:before { top: 0; }
.piston .arm:after { bottom: 0; }

.piston .rotator {
    position: absolute;
    bottom: 0;
    width: 100px;
    height: 100px;
    border-radius: 10px;
    border-radius: 50%;
    border: 20px solid rgba(0,0,0,.1);
    box-sizing: border-box;
    z-index: -1;
}
```

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css3 transform属性创意Loading加载动画效果

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