如何在容器中使用flexbox水平和垂直地居中div。在下面的例子中,我想要每个数字都在对方下面(在行中),这是水平居中。

.flex-container { padding: 0; margin: 0; list-style: none; display: flex; align-items: center; justify-content: center; } row { width: 100%; } .flex-item { background: tomato; padding: 5px; width: 200px; height: 150px; margin: 10px; line-height: 150px; color: white; font-weight: bold; font-size: 3em; text-align: center; } <div class="flex-container"> <div class="row"> <span class="flex-item">1</span> </div> <div class="row"> <span class="flex-item">2</span> </div> <div class="row"> <span class="flex-item">3</span> </div> <div class="row"> <span class="flex-item">4</span> </div> </div>

http://codepen.io/anon/pen/zLxBo


当前回答

边际:自动工作“完美”与flexbox,即它允许中心项目垂直和水平。

html, body { height: 100%; max-height: 100%; } .flex-container { display: flex; height: 100%; background-color: green; } .container { display: flex; margin: auto; } <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width"> <title>JS</title> </head> <body> <div class="flex-container"> <div class="container"> <div class="row"> <span class="flex-item">1</span> </div> <div class="row"> <span class="flex-item">2</span> </div> <div class="row"> <span class="flex-item">3</span> </div> <div class="row"> <span class="flex-item">4</span> </div> </div> </div> </body> </html>

其他回答

Add

.container {
    display: flex;
    justify-content: center;
    align-items: center;
}

到你想居中的容器元素。文档: justify-content和 对齐项目。

希望这能有所帮助。

.flex-container {
  padding: 0;
  margin: 0;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: center;
}
row {
  width: 100%;
}
.flex-item {
  background: tomato;
  padding: 5px;
  width: 200px;
  height: 150px;
  margin: 10px;
  line-height: 150px;
  color: white;
  font-weight: bold;
  font-size: 3em;
  text-align: center;
}

1 -设置CSS在父div显示:flex;

2 -在父div上设置CSS为flex-direction: column;注意,这将使该div行中的所有内容从上到下。如果父div只包含子div而不包含其他div,那么这样做效果最好。

3 -在父div上设置CSS为justify-content: center;

下面是CSS的一个例子:

.parentDivClass { 显示:flex; flex-direction:列; justify-content:中心; }

使用CSS +

<div class="EXTENDER">
  <div class="PADDER-CENTER">
    <div contentEditable="true">Edit this text...</div>
  </div>
</div>

看这里

边际:自动工作“完美”与flexbox,即它允许中心项目垂直和水平。

html, body { height: 100%; max-height: 100%; } .flex-container { display: flex; height: 100%; background-color: green; } .container { display: flex; margin: auto; } <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width"> <title>JS</title> </head> <body> <div class="flex-container"> <div class="container"> <div class="row"> <span class="flex-item">1</span> </div> <div class="row"> <span class="flex-item">2</span> </div> <div class="row"> <span class="flex-item">3</span> </div> <div class="row"> <span class="flex-item">4</span> </div> </div> </div> </body> </html>