SOURCE

<h3><big>1</big>服务器</h3>

h3 {
    width: auto;
    margin: 0 6%;
    line-height: 25px;
    margin-top: 20px;
    padding: 0px 4% 0px 0;
    color: #fff;
    font-weight: normal;
    background: #d8643f;
    border-radius: 6px;
    display: inline-block;
    font-size: 17px;
}
big {
    width: 33px;
    line-height: 33px;
    text-align: center;
    border-radius: 3px;
    color: #fff;
    background: #3a3a3a;
    font-weight: 900;
    display: inline-block;
    font-style: normal;
    margin-right: 15px;
    font-size: 17px;
}