css设置右对齐的方法：1、通过使用cssposition属性来实现右对齐效果；2、通过float属性实现右对齐效果；3、通过text-align属性实现右对齐效果。
本文操作环境：windows7系统、CSS3&&HTML5版、Dell G3电脑。
通过css设置右对齐方法详解：
1、通过css的position属性实现右对齐
<h2>右对齐</h2>
<p>以下实例演示了如何使用 position 来实现右对齐:</p>
<div class="right">
<p>元素右对齐</p>
</div>
css代码：
.right {
position: absolute;
right: 0px;
width: 300px;
border: 3px solid #73AD21;
padding: 10px;
}效果图：
2、通过float属性实现右对齐
<html>
<head>
<style type="text/css">
img
{
float:right
}
</style>
</head>
<body>
<p>在下面的段落中，我们添加了一个样式为 <b>float:right</b> 的图像。结果是这个图像会浮动到段落的右侧。</p>
<p>
<img src="/i/eg_cute.gif" />
This is some text. This is some text. This is some text.
This is some text. This is some text. This is some text.
This is some text. This is some text. This is some text.
This is some text. This is some text. This is some text.
This is some text. This is some text. This is some text.
This is some text. This is some text. This is some text.
This is some text. This is some text. This is some text.
This is some text. This is some text. This is some text.
This is some text. This is some text. This is some text.
This is some text. This is some text. This is some text.
</p>
</body>
</html>效果图：
3、通过text-align属性实现右对齐
<html>
<head>
<style type="text/css">
h1 {text-align: center}
h2 {text-align: left}
h3 {text-align: right}
</style>
</head>
<body>
<h1>这是标题 1</h1>
<h2>这是标题 2</h2>
<h3>这是标题 3</h3>
</body>
</html>效果图：
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