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      • 網(wǎng)頁設(shè)計(jì)相對(duì)布局中如何實(shí)現(xiàn)水平定位?

        時(shí)間:2022-07-03 01:28:05 設(shè)計(jì) 我要投稿
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        網(wǎng)頁設(shè)計(jì)相對(duì)布局中如何實(shí)現(xiàn)水平定位?

        我做了一個(gè)css過渡樣式,但是不知道如何將它水平居中對(duì)齊。代碼如下:

        <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
        www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
        <html xmlns="www.w3.org/1999/xhtml">
        <head>
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
        <title>Untitled Document</title>
        <style>
        bg{
        width:100%;
        height:100%;
        margin:0px;
        }
        .main{
        height:60%;
        top:20%;
        position:absolute;
        }
        
        .box1{
        position: relative;
        width: 162px;
        height: 100%;
        background: #000;
        float:right;
        margin-left:300px;
        -webkit-transition: width 2s ease 0s, margin-left 2s;
        -moz-transition: width 2s ease 0s, margin-left 2s;
        -ms-transition: width 2s ease 0s, margin-left 2s;
        -o-transition: width 2s ease 0s, margin-left 2s;
        transition: width 2s ease 0s, margin-left 2s;
        }
        .box2{
        position: relative;
        width: 108px;
        height: 100%;
        background: #999;
        float:right;
        -webkit-transition: width 2s ease 0s, margin-left 2s;
        -moz-transition: width 2s ease 0s, margin-left 2s;
        -ms-transition: width 2s ease 0s, margin-left 2s;
        -o-transition: width 2s ease 0s, margin-left 2s;
        transition: width 2s ease 0s, margin-left 2s;
        }
        .box3{
        position: relative;
        width: 54px;
        height: 100%;
        background: #ccc;
        float:right;
        -webkit-transition: width 2s ease 0s, margin-left 2s;
        -moz-transition: width 2s ease 0s, margin-left 2s;
        -ms-transition: width 2s ease 0s, margin-left 2s;
        -o-transition: width 2s ease 0s, margin-left 2s;
        transition: width 2s ease 0s, margin-left 2s;
        }
        .box1:hover {
        width: 962px;
        margin-left:200px;
        }
        .box3:hover {
        width: 854px;
        }
        .box2:hover {
        width: 908px;
        }
        </style>
        </head>
        
        
        <body>
        <div class="main">
        
        <div class="box1">1<div class="box2">1<div class="box3">1</div></div></div>
        </div>
        </body>
        </html>
        
        我做了一個(gè)css過渡樣式,但是不知道如何將它水平居中對(duì)齊。代碼如下:

        Untitled Document
        1
        1
        1

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