.all_zt .list ul li {
    overflow      : hidden;
    margin        : 0 10px;
    border-bottom : 1px solid #eee;
    padding-bottom: 24px;
    text-align: center;
    font-size: 0;
}

.all_zt .list ul li a {
    display   : inline-block;
    background: #f4f4f4;
    padding   : 10px 0;
    text-align: center;
    color     : #313131;
    font-size : 14px;
    width     : 140px;
    margin-right: 20px;
    margin-top: 20px;
	border: .5px solid transparent;
	text-decoration: none;
}
.all_zt .list ul li a:nth-of-type(4n){
    margin-right: 0;
}
.all_zt .list ul li a:hover {
    color: #f45050;
    border: .5px solid #f45050;
}