获取一个div来遍历整个页面 [英] Get a div to go across the whole page

问题描述

每当我试图做一个div的宽度为100％，它不会跨越整个页面，它留下任何一边（顶部左下和右边）的小边距，我想要的div跨越整个页面，例如此页面顶部的标题栏。

Whenever i try to make a div with width 100%, it does not go across the whole page, it leaves small margins on either side(top bottom left and right), i would like the div to go across the whole page, such as the header bar on the top of this page.

推荐答案

您必须设置边距和填充 body 元素为0.像这样（在CSS中）：

You have to set margin and padding of body element to 0. Like this (in CSS):

body
{
  margin: 0;
  padding: 0;
}

还要记住设置 margin div 元素到 0 。

And also remember about setting margin of div element to 0.

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