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HomeWeb Front-endHTML Tutorialhtml&css中的文字对齐问题_html/css_WEB-ITnose

html&css的使用过程中,我们经常会遇到很多文字对齐问题。下面我要介绍一个有丁点难的文字对齐问题。

实现效果如下图所示。

 

两行长度不定的文字,要让它们总体水平居中,然后,这两行字要左对齐,如下图所示。

听起来好像挺简单,然而实现起来却。。。。。。

 

错误做法一:

用一个大块div包住两个div,在大div中设置"text-align:center; ",在小div中设置"text-align:left; "

结果如下图所示。

因为div会占据一整行,而不能随内容大小自动调节宽度,如果要对大div设置width,这也不好控制,因为万一文段长度改变,那么还是无法实现居中。

 

错误做法二:

于是我把小div改成span,因为span是行内元素,能随span内的文段宽度来调节自身宽度。结果如下图所示。

因为span自动调节自身宽度(即span宽度等于文段长度),所以"text-align:left; "对它不起作用。

 

正确做法:

既然块级元素和行内元素都无法实现该效果,那能否折中采取介于它们之间的元素。

对,就是设置"display:inline-block;"。

效果图如下:

思路:在一个大div中放置一个小div,小div中包含2个span文段。大div设置"text-align:center; ",让小div居中; 小div设置"display:inline-block;",这样小div就能有行内元素的特性,会根据内容自动调节自己的宽度,再设置"text-align:left; ",让其中的元素左对齐,这样就搞定了。

Tip:小div中的span元素可替换为div等块级元素,小div可替换为span等行内元素。

 

html代码如下:

<div id="container">    <div id="child-container">        <span class="text">请尽快付款以保证商家能及时提供服务</span><br/>        <span class="text">未支付订单将在半个小时后关闭</span>    </div></div>

 

css代码如下:

 1 *{ 2     margin: 0; 3     padding: 0; 4 } 5 #container { 6     text-align: center; 7     background-color: #DBEDFD;   //这三句只是为了美观,请忽略。。。 8     height: 40px; 9     padding: 15px 0;10 }11 #child-container {12     text-align: left;13     display: inline-block;14 }

 

 

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