为神马nav_left不跟nav_right、nav_mid在同一行上面啊~~~菜鸟求指教

Question

太奇葩了

html文件里面的代码：

<div class="nav">

<div class="nav_right"></div>

<div class="nav_mid"></div>

<div class="nav_right"></div>

</div>

css文件里面代码：

.nav{

height:40px;

}

.nav_left {

width: 10px;

background:url(../images/nav_left.jpg) no-repeat;

}

.nav_mid{

width:980px;

background:url(../images/nav_bg.jpg) repeat-x;

}

.nav_right{

width:10px;

background:url(../images/nav_right.jpg) no-repeat;

}

.nav_left,.nav_mid,.nav_right{

float:left;  // ！！！！！！！在这里将left改为right就能水平排列了，真的太奇葩……为神马啊！

height:40px;

}

Answer 1

class里面哪有.nav_left？？？两个.nav_right、、、、、