06 2017 档案
摘要:<!DOCTYPE html><html lang="en"><head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="widt
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摘要:style960-640.css .divleft { width: 25%; height: 200px; background-color: red; position: absolute; left:0; top: 0;}.divright { width: 75%; height: 200p
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摘要:.header{ height: 650px; width: 1000px; background-color: gray;}.a{ width: 1000px; height: 50px; background-color:bisque ;}.left{ width: 150px; height:
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摘要:.container{ margin: 0 auto; width: 1000px; position: relative;}.header{ height: 650px; width: 1000px; background-color: antiquewhite;}.a{ width: 1000p
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摘要:.a{ width: 100px; height: 300px; background-color: #286090;}.a div{ width: 50px; height: 50px; background-color: aqua; text-align: center;} <div class
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摘要:<style> 方法一:首先编写两个div,并用边框和背景区分开 .box { width: 200px; height: 200px; border: 1px solid red; } .block{ width: 50px; height: 50px; } </style> <div class
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摘要:<div class="box box1"> <span>垂直居中</span> </div>
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摘要:.a{ position: relative; left:100px;top:50px;}
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