這段代碼是怎么清除浮動的 看不懂
.clearfix::before,
.clearfix::after {
? ?content: ".";
? ?display: block;
? ?height: 0;
? ?visibility: hidden;
}
.clearfix:after {clear: both;}
.clearfix {zoom: 1;}
.clearfix::before,
.clearfix::after {
? ?content: ".";
? ?display: block;
? ?height: 0;
? ?visibility: hidden;
}
.clearfix:after {clear: both;}
.clearfix {zoom: 1;}
2017-12-05
舉報
2018-06-09
其實要想清楚.clearfix的浮動,就寫下面的代碼就足夠了
.clearfix::after {
? ?content: ""; ?//可以是空串,但不能不寫
? ?display: block; //只有作為塊級元素才能清除浮動
?? clear:both; //清除左浮動和右浮動,只清除左浮動就寫clear:left,右同理
}
2017-12-14
?display: block;