.layerin {
    width: 100%;
    clear: both;
    margin: 0px auto;
    padding-top: 30px;
    clear: both;
    overflow:hidden;}

.layerin li {
    width: 200px;
    height: 50px;
    font-family: 微软雅黑;
    float: left;
    font-size: 16px;
    color: rgb(0, 86, 196);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 5px 10px;
    margin: 0 0 20px 20px;
    background: rgb(232, 245, 251);}
.layerin li a {
    color: #0056c4;
    font-size: 16px;}
.layerin li a:hover{font-size:18px;transition:all .3s;}