我有代码让背景的字体颜色分配给一个类,然后有单独的类来更改 :hover 或 :active 上的颜色,但除非我删除 :hover 特定类,否则不会触发 :active 状态。
.HTML:
<div class="backgroundRed backgroundGreenHover backgroundBlueActive" style="width: 100px; height: 100px;"></div>
.CSS:
.backgroundRed, .backgroundRedHover:hover, .backgroundRedActive:active{background:red;}
.backgroundGreen, .backgroundGreenHover:hover, .backgroundGreenActive:active{background:green;}
.backgroundBlue, .backgroundBlueHover:hover, .backgroundBlueActive:active{background:blue;}
:active
伪类应该在:hover
之后,否则:hover
覆盖(链接相关的伪clasess的顺序是::link | :visited | :hover | :active
(。您的代码示例按预期工作,但如果更改类,则:active
伪类永远不会适用。
.backgroundRed,
.backgroundRedHover:hover,
.backgroundRedActive:active {
background: red;
}
.backgroundGreen,
.backgroundGreenHover:hover,
.backgroundGreenActive:active {
background: green;
}
.backgroundBlue,
.backgroundBlueHover:hover,
.backgroundBlueActive:active {
background: blue;
}
<div class="backgroundRed backgroundBlueHover backgroundGreenActive" style="width: 100px; height: 100px;"></div>
您需要更多 CSS 行,但在:hover
后使用 :active
对类重新排序可以正常工作。
.backgroundRed,
.backgroundRedHover:hover {
background: red;
}
.backgroundGreen,
.backgroundGreenHover:hover {
background: green;
}
.backgroundBlue,
.backgroundBlueHover:hover {
background: blue;
}
.backgroundRedActive:active {
background: red;
}
.backgroundGreenActive:active {
background: green;
}
.backgroundBlueActive:active {
background: blue;
}
<div class="backgroundRed backgroundBlueHover backgroundGreenActive" style="width: 100px; height: 100px;"></div>