显示不了a:hover的
.toolbar-item-feedback a:hover{
background-position: 0 -156px;
}为什么我把鼠标放上去显示不了图片！！？？
SimGyun
2015-07-31
4 回答
到本节课的时候的代码，可以显示图片的，看看class类有没有敲错。scss代码如下
$toolbar-size: 52px;
.toolbar{
position: fixed;
left: 50%;
bottom: 5px;
margin-left: -$toolbar-size / 2;
}
.toolbar-item{
position: relative;
display: block;
width: $toolbar-size;
height: $toolbar-size;
background-image: url(../img/toolbar.png);
background-repeat: no-repeat;
margin-top: 1px;
transition: background-position 1s;
&:hover{
.toolbar-layer{
opacity:1;
filter: alpha(opacity=100);
transform: scale(1);;
}
}
}
.toolbar-item-weixin{
background-position: 0 -798px;
&:hover{
background-position: 0 -860px;
}
.toolbar-layer{
height: 212px;
background-position: 0 0;
}
}
.toolbar-item-feedback{
background-position: 0 -426px;
&:hover{
background-position: 0 -488px;
}
}
.toolbar-item-app{
background-position: 0 -550px;
&:hover{
background-position: 0 -612px;
}
.toolbar-layer{
height: 194px;
background-position: 0 -222px;
}
}
.toolbar-item-top{
background-position: 0 -674px;
&:hover{
background-position: 0 -736px;
}
}
.toolbar-layer{
position: absolute;
right: $toolbar-size - 6;
bottom: -10px;
width: 172px;
background-image: url(../img/toolbar.png);
background-repeat: no-repeat;
opacity: 0;
filter: alpha(opacity=0);
transform-origin: 95% 95%;
transform: scale(0.01);
transition: all 1s;
}
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