今天就跟大家聊聊有关如何在css实现水纹扩散的动画效果，可能很多人都不太了解，为了让大家更加了解，小编给大家总结了以下内容，希望大家根据这篇文章可以有所收获。
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css：
.main{
position: relative;
height:70px;
width: 310px;
margin: 0 auto;
background-color: #f34147;
}
.circle{
position: relative;
float: left;
height:70px;
width: 70px;
}
/*线*/
.hr{
position: relative;
float: left;
width: 50px;
height:70px;
background: url("../images/hr_1.png") no-repeat center center;
background-size: auto 18px;
}
.hr-x{
background: url("../images/hr_2.png") no-repeat center center;
background-size: auto 18px;
}
.hr-r{
background: url("../images/hr_3.png") no-repeat center center;
background-size: auto 18px;
}
/*按钮 大：47 小：39*/
.box-icon{
position: absolute;
z-index: 9999;
top:0;
right:0;
left:0;;
bottom: 0;
width: 70px;
height: 70px;
}
/*小 不亮*/
.icon-a{
background: url("../images/icon_a_3.png") no-repeat center center;
background-size:39px 39px;
}
.icon-b{
background: url("../images/icon_b_3.png") no-repeat center center;
background-size:39px 39px;
}
.icon-c{
background: url("../images/icon_c_3.png") no-repeat center center;
background-size:39px 39px;
}
/*小 亮*/
.icon-a-1{
background: url("../images/icon_a_2.png") no-repeat center center;
background-size:39px 39px;
}
.icon-b-1{
background: url("../images/icon_b_2.png") no-repeat center center;
background-size:39px 39px;
}
.icon-c-1{
background: url("../images/icon_c_2.png") no-repeat center center;
background-size:39px 39px;
}
/*大 亮*/
.icon-a-2{
background: url("../images/icon_a_1.png") no-repeat center center;
background-size:47px 47px;
}
.icon-b-2{
background: url("../images/icon_b_1.png") no-repeat center center;
background-size:47px 47px;
}
.icon-c-2{
background: url("../images/icon_c_1.png") no-repeat center center;
background-size:47px 47px;
}
/*动效*/
@keyframes warn {
0% {
transform: scale(0.6);
opacity: 0;
}
25% {
transform: scale(0.6);
opacity: 0.8;
}
/*50% {*/
/*transform: scale(0.8);*/
/*opacity: 0.4;*/
/*}*/
/*75% {*/
/*transform: scale(0.9);*/
/*opacity: 0.3;*/
/*}*/
100% {
transform: scale(1);
opacity: 0.1;
}
}
@-webkit-keyframes warn {
0% {
-webkit-transform: scale(0);
opacity: 0;
}
25% {
-webkit-transform: scale(0.6);
opacity: 0.8;
}
/*50% {*/
/*-webkit-transform: scale(0.1);*/
/*opacity: 0.3;*/
/*}*/
/*75% {*/
/*-webkit-transform: scale(0.5);*/
/*opacity: 0.5;*/
/*}*/
100% {
-webkit-transform: scale(1);
opacity: 0.1;
}
}
/* 70*70的容器*/
.box{
position: absolute;
width: 70px;
height: 70px;
border: 6px solid rgba(225,225,225,0.5);
-webkit-border-radius:70px;
-moz-border-radius: 70px;
border-radius: 70px;
z-index: 1;
opacity: 0;
-webkit-animation: warn 4s ease-out infinite;
-moz-animation: warn 4s ease-out infinite;
animation: warn 4s ease-out infinite;
}
.box-a{
position: absolute;
width: 70px;
height: 70px;
border: 6px solid rgba(225,225,225,0.5);
-webkit-border-radius:70px;
-moz-border-radius: 70px;
border-radius: 70px;
z-index: 1;
opacity: 0;
-webkit-animation: warn 4s ease-out infinite;
-moz-animation: warn 4s ease-out infinite;
animation: warn 4s ease-out infinite;
animation-delay:1s;
-webkit-animation-delay:1s; /* Safari 和 Chrome */
}
.box-b{
position: absolute;
width: 70px;
height: 70px;
border: 6px solid rgba(225,225,225,0.5);
-webkit-border-radius:70px;
-moz-border-radius: 70px;
border-radius: 70px;
z-index: 1;
opacity: 0;
-webkit-animation: warn 4s ease-out infinite;
-moz-animation: warn 4s ease-out infinite;
animation: warn 4s ease-out infinite;
animation-delay:2s;
-webkit-animation-delay:2s; /* Safari 和 Chrome */
}
.box-c{
position: absolute;
width: 70px;
height: 70px;
border: 6px solid rgba(225,225,225,0.5);
-webkit-border-radius:70px;
-moz-border-radius: 70px;
border-radius: 70px;
z-index: 1;
opacity: 0;
-webkit-animation: warn 4s ease-out infinite;
-moz-animation: warn 4s ease-out infinite;
animation: warn 4s ease-out infinite;
animation-delay:3s;
-webkit-animation-delay:3s; /* Safari 和 Chrome */
}看完上述内容，你们对如何在css实现水纹扩散的动画效果有进一步的了解吗？如果还想了解更多知识或者相关内容，请关注创新互联行业资讯频道，感谢大家的支持。