/* 基础样式写在这里 */

.container{
    width: 1226px;
    margin: 0 auto;
}

/* 清除浮动 */
.clearfix::after{
    content: '';
    display: block;
    clear: both;
}

.db{
    display: block;
}
.dib{
    display: inline-block;
}
.tac{
    text-align: center;
}