<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>定位流-绝对定位</title> <style> *{ margin: 0; padding: 0; } div{ width: 100px; height: 100px; } .box1{ background-color: red; } .box2{ background-color: green; position: absolute; /*float: left;*/ left: 0; /*right: 0;*/ /*top: 0;*/ bottom: 0; } .box3{ background-color: blue; } span{ position: absolute; width: 100px; height: 100px; background-color: yellow; } </style> </head> <body> <!-- 1.什么是绝对定位? 绝对定位就是相对于body来定位 2.绝对定位注意点 2.1绝对定位的元素是脱离标准流的 2.2绝对定位的元素是不区分块级元素/行内元素/行内块级元素 --> <div class="box1"></div> <div class="box2"></div> <div class="box3"></div> <!--<span>我是span</span>--> </body> </html>
来源:https://www.cnblogs.com/yindanny/p/11682122.html