.articles_ul{
    margin-top: 30px;
}
.articles_ul li{
    display: inline-block;
    vertical-align: middle;
    font-size: 14px;
    transition: all .2s;
    -webkit-transition: all .2s;
    position: relative;
    line-height: 40px;
    min-width: 65px;
    padding: 0 15px;
    text-align: center;
    cursor: pointer;
    font-size: 18px;
    color: #666;
    border-bottom: 2px solid #ab9a95;
    margin: 0 10px;
}

.articles_ul  .layui_this{
    border-bottom: 2px solid #cb2900;
}
.articles_ul  .layui_this a{
    color: #cb2900;
}