纯css loadigin
<div class="a_load"></div>
.a_load{
position: relative;
bottom: 20px;
border-radius: 50%;
margin: 0 auto;
background: #fff;
width: 20px;
height: 20px;
border-top:4px solid #387cff; //颜色看个人喜好
border-left: 4px solid #387cff;
border-right: 4px solid #387cff;
border-bottom: 4px solid #f0f0f0;
animation: loading 2s infinite;
}
@keyframes loading{
0%{
transform: rotate(0deg);
}
100%{
transform: rotate(360deg);
}
}
