纯CSS实现预加载动画效果
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<style>
#loadg {
position:absolute;
left:0;
:0;
width:100%;
height:100%;
background: #121220;
overflow:hidden;
z-dex:9999;
}
/加载圈/
.spner {
marg:0 auto;
width:60px;
height:60px;
position:relative;
:40%;
}
.contaer1 > div,.contaer2 > div,.contaer3 > div {
width:15px;
height:15px;
background-color:#fff;
border-radius:100%;
position:absolute;
-webkit-animation:bouncedelay 1.2s fite ease--out;
animation:bouncedelay 1.2s fite ease--out;
-webkit-animation-fill-mode:both;
animation-fill-mode:both;
}
.spner .spner-contaer {
position:absolute;
width:100%;
height:100%;
}
.contaer2 {
-webkit-transform:rotateZ(45deg);
transform:rotateZ(45deg);
}
.contaer3 {
-webkit-transform:rotateZ(90deg);
transform:rotateZ(90deg);
}
.circle1 {
:0;
left:0;
}
.circle2 {
:0;
right:0;
}
.circle3 {
right:0;
bottom:0;
}
.circle4 {
left:0;
bottom:0;
}
.contaer2 .circle1 {
-webkit-animation-delay:-1.1s;
animation-delay:-1.1s;
}
.contaer3 .circle1 {
-webkit-animation-delay:-1.0s;
animation-delay:-1.0s;
}
.contaer1 .circle2 {
-webkit-animation-delay:-0.9s;
animation-delay:-0.9s;
}
.contaer2 .circle2 {
-webkit-animation-delay:-0.8s;
animation-delay:-0.8s;
}
.contaer3 .circle2 {
-webkit-animation-delay:-0.7s;
animation-delay:-0.7s;
}
.contaer1 .circle3 {
-webkit-animation-delay:-0.6s;
animation-delay:-0.6s;
}
.contaer2 .circle3 {
-webkit-animation-delay:-0.5s;
animation-delay:-0.5s;
}
.contaer3 .circle3 {
-webkit-animation-delay:-0.4s;
animation-delay:-0.4s;
}
.contaer1 .circle4 {
-webkit-animation-delay:-0.3s;
animation-delay:-0.3s;
}
.contaer2 .circle4 {
-webkit-animation-delay:-0.2s;
animation-delay:-0.2s;
}
.contaer3 .circle4 {
-webkit-animation-delay:-0.1s;
animation-delay:-0.1s;
}
@-webkit-keyframes bouncedelay {
0%,80%,100% {
-webkit-transform:scale(0.0)
}
40% {
-webkit-transform:scale(1.0)
}
}
@keyframes bouncedelay {
0%,80%,100% {
transform:scale(0.0);
-webkit-transform:scale(0.0);
}
40% {
transform:scale(1.0);
-webkit-transform:scale(1.0);
}
}
</style>
<body>
<div id="loadg" >
<div class="spner">
<div class="spner-contaer contaer1">
<div class="circle1"></div>
<div class="circle2"></div>
<div class="circle3"></div>
<div class="circle4"></div>
</div>
<div class="spner-contaer contaer2">
<div class="circle1"></div>
<div class="circle2"></div>
<div class="circle3"></div>
<div class="circle4"></div>
</div>
<div class="spner-contaer contaer3">
<div class="circle1"></div>
<div class="circle2"></div>
<div class="circle3"></div>
<div class="circle4"></div>
</div>
</div>
</div>
</body>
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