Detailed explanation of how to achieve alignment on both ends of CSS

elements in the HTML structure, there is no need to add additional whitespace characters  But just in this way, the elements cannot achieve the effect of aligning both ends

 Elements must occupy a full line, as shown below. Elements that fill up a row can be aligned at both ends, but elements that do not fill up cannot be aligned 【text-align-last】  Obviously, none of the above situations meet the requirements. At this time, You need to use the attribute text-align-last, which is used to specify how to align the last line of text.

So replace the

attribute with

. However, to be compatible with

, you need to set text-align:justify

at the same time [Note] Safari browser, IOS, androis4.4-browser does not support <div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:css;toolbar:false;">.justify-content_flex-justify{ -webkit-box-pack: justify; -ms-flex-pack: justify; -webkit-justify-content: space-between; justify-content: space-between; } &lt;style&gt; body{margin: 0;} ul{margin: 0;padding: 0;list-style: none;} .list{width: 200px;overflow: hidden;border: 1px solid gray;background-color: lightgreen;line-height: 30px;} .in{background-color: lightblue;padding: 0 10px;} .display_flex{display: -webkit-box;display: -ms-flexbox;display: -webkit-flex;display: flex;} .display_flex &gt; *{display: block;} .justify-content_flex-justify{-webkit-box-pack: justify;-ms-flex-pack: justify;-webkit-justify-content: space-between;justify-content: space-between;} &lt;/style&gt; &lt;ul class=&quot;list display_flex justify-content_flex-justify&quot;&gt; &lt;li class=&quot;in&quot;&gt;内容&lt;/li&gt; &lt;li class=&quot;in&quot;&gt;样式&lt;/li&gt; &lt;li class=&quot;in&quot;&gt;行为&lt;/li&gt; &lt;/ul&gt;</pre><div class="contentsignin">Copy after login</div></div>【after pseudo-element】 Using text-align-last can achieve the effect of aligning both ends, but the compatibility is not good. By setting the pseudo element :after

to the parent element, and setting

to the pseudo element, and setting the width to 100%, it is equivalent to the pseudo element

is squeezed to the second line. As a result, the original element occupies the first line, triggering the effect of aligning both ends  It should be noted here that because the blank space will be parsed as a newline, you can set the height of the parent element height<a href="http://www.php.cn/wiki/978.html" target="_blank">, and overflow and hide to solve the problem of redundant line breaks</a><div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:css;toolbar:false;">&lt;style&gt; body{margin: 0;} ul{margin: 0;padding: 0;list-style: none;} .list{width: 200px;overflow: hidden;border: 1px solid gray;background-color: lightgreen;line-height: 30px;text-align: justify;text-align-last: justify;} .in{background-color: lightblue;padding: 0 10px;display:inline-block;} &lt;/style&gt; &lt;ul class=&quot;list &quot;&gt; &lt;li class=&quot;in&quot;&gt;内容&lt;/li&gt; &lt;li class=&quot;in&quot;&gt;样式&lt;/li&gt; &lt;li class=&quot;in&quot;&gt;行为&lt;/li&gt; &lt;/ul&gt;</pre><div class="contentsignin">Copy after login</div></div>column Use multi-column layoutcolumn to achieve similar effects.

defines the number of columns of the element. In the example, there are 3 sub-elements, so it is defined as 3 columns. Special attention should be paid to the fact that the child elements need to be set as block elements at this time for it to take effect.  [Note] IE9-browser does not support

<style>
body{margin: 0;}    
ul{margin: 0;padding: 0;list-style: none;}
.list{width: 200px;height: 30px;overflow: hidden;border: 1px solid gray;background-color: lightgreen;line-height: 30px;text-align: justify;}
.in{background-color: lightblue;padding: 0 10px;display:inline-block;}
.list:after{content:"";width:100%;display:inline-block;}
</style>
<ul class="list ">
    <li class="in">内容</li>
    <li class="in">样式</li>
    <li class="in">行为</li>  
</ul>

 If vertical bars need to be used between child elements , and when the height of the vertical line is the same as the height of the child element, use

to conveniently implement the requirement<div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:css;toolbar:false;">&lt;style&gt; body{margin: 0;} ul{margin: 0;padding: 0;list-style: none;} .list{width: 200px;overflow: hidden;border: 1px solid gray;background-color: lightgreen;line-height: 30px;text-align: center;} .col3{-webkit-column-count:3;-moz-column-count:3;column-count:3;} .in{background-color: lightblue;padding: 0 10px;display:block;} &lt;/style&gt; &lt;ul class=&quot;list col3&quot;&gt; &lt;li class=&quot;in&quot;&gt;内容&lt;/li&gt; &lt;li class=&quot;in&quot;&gt;样式&lt;/li&gt; &lt;li class=&quot;in&quot;&gt;行为&lt;/li&gt; &lt;/ul&gt;</pre><div class="contentsignin">Copy after login</div></div>

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