伪元素清除浮动和动态设置calss 行内样式style

:class="[{ active: isActive }, 'sort']"


.clearfix::after {
    content: '.';
    clear: both;
    display: block;
    overflow: hidden;
    font-size: 0;
    height: 0;
}

.clearfix {
    zoom: 1;
}