html / css对齐问题,因为< span>。什么是移动我的内容? [英] html/css alignment issue because of an empty <span>. What is moving my content down?

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问题描述

我在html / css中有一个对齐问题。我将我的问题简化为:

I have an alignment problem in html/css. I simplified my problem to this:

<!DOCTYPE html>
<html>
<head>
    <title>Test</title>
    <style>
        span { display: inline-block; height: 50px; }
        span.text { background-color: Yellow;}
        span.left, span.right { background-color: Red;  width: 20px;}
    </style>
</head>
<body>
    <span class="left">x</span>
    <span class="text">Text comes here</span>
    <span class="right">x</span>
</body>
</html>

浏览器中的输出是预期的:

The output in the browser is as expected:

span.left和span.right不应包含任何内容。它们仅用于布局目的。但是,当我删除两个跨度的内容(x),如下:

However, span.left and span.right should not contain any content. They are there for layout purposes only. But when I remove the content ("x") of both spans like this:

<span class="left"></span>
<span class="text">Text comes here</span>
<span class="right"></span>

输出更改为:

为什么要这样做?我可以做什么来解决这个问题?

Why is it doing this? What can I do to solve this?

推荐答案

垂直对齐有问题,因为它设置为默认 baseline 。只需将其更改为顶部:

Vertical align is problematic, since it is set to the default baseline. Just change it to top:

span { display: inline-block; height: 50px;vertical-align:top; }

这篇关于html / css对齐问题,因为&lt; span&gt;。什么是移动我的内容?的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!

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