.case_container {
    width: 1200px;
    margin: 0 auto;
}

    .case_container * {
        box-sizing: border-box;
    }

.case_position {
    height: 60px;
    line-height: 60px;
    color: #777;
}

    .case_position a {
        color: #777;
    }

        .case_position a:hover {
            color: #16ac5e;
        }

    .case_position span {
        margin: 0 5px;
    }

.tag_container{
    width:1200px;
    margin:30px auto;
}
    .tag_container strong {
        display: block;
        margin: 0 5px 20px 5px;
        padding-bottom: 20px;
        border-bottom: 1px solid #EAEAEA;
        font-size: 24px;
        color: #333;
        font-weight: normal;
    }
    .tag_container .tag_box a {
        display: inline;
        float: left;
        color: #888;
        font-size: 14px;
        margin: 5px;
        padding: 4px 8px;
        background: #fafafa;
        border-radius: 4px;
        white-space: nowrap;
        -webkit-transition: .3s background linear;
        -moz-transition: .3s background linear;
        transition: .3s background linear;
    }
    .tag_container .tag_box a:hover{
        background:#16ac5e;
        color:#fff;
    }