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<title>无标题文档</title>
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background-color:#ccffff;
padding-top:20px;
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.main{
background-color:#fff;
width:700px;
margin:0 auto;
padding:20px;
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.list{
border:1px solid red;
overflow:hidden;
}
.one{
width:100%;
float:left;
}
.one1{
border:1px solid blue;
margin-right:76px;
}
.two{
float:left;
width:56px;
margin-left:-56px;
}
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<p>一個人的晚餐！茶泡飯！飯、飯、飯… 今日不減肥，先把病治好再說！ 我認真吃完這，燒就會退了吧？！ 開動啦~~~~~~~~~~~~~~~~~~</p>
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<a href="http://t.sina.com.cn/xuruoxuan" class="two">
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*{margin:0;padding:0;
box-sizing: border-box;}
加上这个试试