为什么会出现这种情况？，在浏览器中显示的top显示不是全屏则每年回事？

Question

<div class="top">

<div class="main top-content"></div>

</div>

.main{

width: 1190px;

margin: 0px auto;

}

/*头部样式代码*/

.top{

height: 35px;

line-height: 35px;

background-color: #f5f5f5;

border-bottom: 1px solid #eee;

}

.top-content{

height: 35px;

}

Answer 1

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

Answer 2

样式加多一个， *{margin:0;padding:0}， 望采纳！