引导3

v3文本对齐文档

<p class="text-left">Left aligned text.</p>
<p class="text-center">Center aligned text.</p>
<p class="text-right">Right aligned text.</p>
<p class="text-justify">Justified text.</p>
<p class="text-nowrap">No wrap text.</p>

---

引导4

v4文本对齐文档

<p class="text-xs-left">Left aligned text on all viewport sizes.</p>
<p class="text-xs-center">Center aligned text on all viewport sizes.</p>
<p class="text-xs-right">Right aligned text on all viewport sizes.</p>

<p class="text-sm-left">Left aligned text on viewports sized SM (small) or wider.</p>
<p class="text-md-left">Left aligned text on viewports sized MD (medium) or wider.</p>
<p class="text-lg-left">Left aligned text on viewports sized LG (large) or wider.</p>
<p class="text-xl-left">Left aligned text on viewports sized XL (extra-large) or wider.</p>

---

引导5

v5文本对齐文档

Text-left已被text-start取代， Text-right已被text-end取代

<p class="text-start">Left aligned text.</p>
<p class="text-center">Center aligned text.</p>
<p class="text-end">Right aligned text.</p>
<p class="text-justify">Justified text.</p>
<p class="text-nowrap">No wrap text.</p>

现在，随着Bootstrap 3的发布，你可以使用text-center类进行中心对齐，text-left类进行左对齐，text-right类进行右对齐，text-justify类进行对齐。

Bootstrap是一个非常简单的前端框架，一旦你使用它。以及非常容易定制，以满足您的喜好。

引导3

v3文本对齐文档

<p class="text-left">Left aligned text.</p>
<p class="text-center">Center aligned text.</p>
<p class="text-right">Right aligned text.</p>
<p class="text-justify">Justified text.</p>
<p class="text-nowrap">No wrap text.</p>

---

引导4

v4文本对齐文档

<p class="text-xs-left">Left aligned text on all viewport sizes.</p>
<p class="text-xs-center">Center aligned text on all viewport sizes.</p>
<p class="text-xs-right">Right aligned text on all viewport sizes.</p>

<p class="text-sm-left">Left aligned text on viewports sized SM (small) or wider.</p>
<p class="text-md-left">Left aligned text on viewports sized MD (medium) or wider.</p>
<p class="text-lg-left">Left aligned text on viewports sized LG (large) or wider.</p>
<p class="text-xl-left">Left aligned text on viewports sized XL (extra-large) or wider.</p>

---

引导5

v5文本对齐文档

Text-left已被text-start取代， Text-right已被text-end取代

<p class="text-start">Left aligned text.</p>
<p class="text-center">Center aligned text.</p>
<p class="text-end">Right aligned text.</p>
<p class="text-justify">Justified text.</p>
<p class="text-nowrap">No wrap text.</p>

在这三个类引导无效类

 .text-right {
     text-align: right; }

 .text-center {
     text-align: center; }

 .text-left {
    text-align: left; }

<p class="text-sm-left">Left aligned text on viewports sized SM (small) or wider.</p>

Left aligned text on viewports sized MD (medium) or wider. Left aligned text on viewports sized LG (large) or wider. Left aligned text on viewports sized XL (extra-large) or wider.

你可以使用下面的CSS:

.text-right {text-align: right} /* For right align */
.text-left {text-align: left} /* For left align */
.text-center {text-align: center} /* For center align */