div悬停背景-颜色改变？

Question

我怎样才能让它看起来像一行div是锚定的，这样当我将鼠标悬停在它上面时，它就会变成红色。

CSS

.e
{
    width:90px;
    border-right:1px solid #222;
    text-align:center;
    float:left;
    padding-left:2px;
    cursor:pointer;


}
.f .e
{
    background-color:#F9EDBE;

}

HTML

<div>
    <div class="e" >Company</div>
    <div class="e">Target</div>
    <div class="e" style="border-right:0px;">Person</div>
</div>         
<div class="f">
    <div class="e">Company</div>
    <div class="e">Target</div>
    <div class="e" style="border-right:0px;">Person</div>
</div>   
<div>
    <div class="e">Company</div>
    <div class="e">Targetaaa</div>
    <div class="e" style="border-right:0px;">Person</div>
</div>            
<div class="f"> 
    <div class="e">Company</div>
    <div class="e">Target</div>
    <div class="e" style="border-right:0px;">Person</div>
</div>  

Answer 1

.e:hover{
   background-color:#FF0000;
}

Answer 2

如果您想要在添加:hover伪代码时更改颜色

div.e:hover {
    background-color:red;
}

Answer 3

div悬停背景颜色更改

试着这样做：

.class_name:hover{
    background-color:#FF0000;
}