为什么悬停不适用于class atribute [英] Why hover does not work with class atribute

问题描述

我创建了如下样式

I have created a style as following

.box
{
  height:300px;
  width:500px;
  font-size:1em;

}
.box:hover
{
  font-weight:bold;
}

我将其应用于如下范围

I applied it to a span as follows

<span class="box">Hello to world </span>

它可以正常工作，但悬停属性不起作用.
否则，如果我在CSS样式中使用#box而不是.box，然后按如下所示应用它

it works fine but the hover property does not work.
Else if, I use #box instead of .box in my css style and then Apply it as below

<span id="box">Hello to world </span>

然后，悬停属性就可以正常工作了.

我不明白为什么悬停属性不能与类属性一起使用.有人可以解决吗?

Then the hover property works fine.

I could not understand why hover property does not work with class attribute. Can some one solve it?

推荐答案

这对我来说很好.我已经用(IE:8.0，FF:6.0)测试了它

Hi,
this is works fine for me. i have tested it with (IE: 8.0, FF: 6.0)

<span class="box">Hello to world </span> 

您可以使用以下内容:

You may use following:

<style type="text/css">
        a .box
        {
            height: 300px;
            width: 500px;
            font-size: 1em;
        }
        a .box:hover
        {
            font-weight: bold;
        }
    </style>

 <a><span class="box">Hello to world </span></a>

谢谢，
Imdadhusen

Thanks,
Imdadhusen

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