浮动元素父级::after{
contains:"";
display:block;
clean:both;
}
元素{
white-space: normal;
overflow: hidden;
text-overflow: ellipsis;
}
元素{
height: 40px;
line-height: 20px;
overflow: hidden;}
元素{
word-break:break-all; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
}