怎么给html图片改变位置,css怎么给图片换位置？？？？

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@charset "gb2312";

/* CSS Document */

*{ margin:0; padding:0; vertical-align:middle;}

body{ font:12px/20px "宋体"; background:#050100 url("bg.jpg") no-repeat center 0px; color:#78251d;}

a{color:#78251d; text-decoration:none; cursor:pointer;outline:none;}

a:hover{ text-decoration:underline;}

img{border:0;}

ul,li{ list-style:none;}

.main{ width:1920px; height:1080px; margin:auto;background:url("main.jpg");position:relative;}

.link{position:absolute;top:0;left:633px;height:28px;}

.link a{width:69px;height:28px; display:block; overflow:hidden;text-indent:-1000em; float:left;}

.login{position:absolute;top:426px;left:961px;width:360px;}

.login h3{ display:none;}

.login li{ min-height:34px; height:auto !important; height:34px;}

.login label{ width:70px; display:inline-block;font-size:14px;}

.text {color: #000;font-size: 14px;width:202px;height:24px; background:#ecd3bf; border:1px solid #967052; text-indent:4px; line-height:24px;}

.text2 {color: #000;font-size: 14px;width:122px;height:24px; background:#ecd3bf; border:1px solid #967052; text-indent:4px;line-height:24px; margin-right:2px;}

.logbutton{border:none;cursor:pointer;margin-left:76px;width:97px;height:40px; background:url(b1.png);}

.regbutton{border:none;cursor:pointer;width:97px;height:40px;background:url(b2.png); display:inline-block; overflow:hidden; text-indent:-1000em;}

.lose{ display:inline-block; background:url(i1.png) no-repeat 0 8px; padding-left:20px; margin-left:77px; line-height:32px; margin-top:5px;}

.news{position:absolute;top:590px;left:942px;width:300px;height:80px;line-height:24px;color:#584836;}

.news li{ height:24px; overflow:hidden; width:260px;}

.news a{color:#b58664;}