清除左浮动:该元素的左边不允许出现浮动元素而当前它的左边有浮动元素,而自己本身又是块元素,只能掉到下一行首开始显示
clear: left;
清除右浮动:与上面相同,不允许元素的右边出现浮动元素,同样它只能在右浮动元素下面另起一行显示,当然,它也只能沿着右浮动的最下面的底边为起始点,开始显示
clear: right;
如果该元素的左右二边都禁止出现浮动元素,可以使用以下简写
clear:both;
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>6.同级元素之间的清除浮动的技巧</title> <style type="text/css"> .box1 { width:200px; height: 200px; background-color: lightskyblue; /*设置左浮动*/ float:left; } .box2 { width:250px; height: 250px; background-color: lightgreen; /*设置右浮动*/ float:right; } .box3 { width:300px; height: 300px; background-color: lightcoral; /*珊瑚色*/ } </style> </head> <body> <div></div> <div></div> <div></div> </body> </html>
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