所以我在一个元素上有一个线性梯度, 我想改变梯度角度, 当我在元素上盘旋时颠倒下来, 而不再次写入所有规则。 这有可能吗?
I am trying to create a search text-field like on the Apple website. The HTML looks like this: <div class="frm-search"> <div> <input class="btn" type="image" src="http://www....
所以我在一个元素上有一个线性梯度, 我想改变梯度角度, 当我在元素上盘旋时颠倒下来, 而不再次写入所有规则。 这有可能吗?
您可以使用 < a href=> "http://sass-lang.com/" rel="nofollow"\\\ code>sass 和 mixins, 实现 DRYer 。
@mixin gradient($angle) {
background: linear-gradient($angle , rgb(23,125,250) 28%, rgb(0,0,0) 80%);
}
#grad {
@import gradient("bottom");
}
#grad:hover {
@import gradient("right");
}
为 hover
状态创建一条规则,在您的 CSS 中指定一个伪类 :
#grad {
background-image: linear-gradient(bottom, rgb(23,125,250) 28%, rgb(0,0,0) 80%);
}
#grad:hover {
background-image: linear-gradient(right , rgb(23,125,250) 28%, rgb(0,0,0) 80%);
}
如果您想要遵循 DRY 原则, 请创建这些规则作为辅助类, 而不是附加和分离它们到元素上 。 这里举一个例子, 使用 jQuery :
<强度 > CSS: 强度 >
.grad {
background-image: linear-gradient(bottom, rgb(23,125,250) 28%, rgb(0,0,0) 80%);
}
.grad-rotated {
background-image: linear-gradient(right , rgb(23,125,250) 28%, rgb(0,0,0) 80%);
}
<强 > JS: 强 >
$( .grad ).hover(
function() {
$(this).toggleClass( grad , false).toggleClass( grad-rotated , true);
},
function() {
$(this).toggleClass( grad , true).toggleClass( grad-rotated , false);
}
);
<强度 > 参考文献: 强度>
hover()
linear-gradient
on Mozilla Developer Networklinear-梯度
属性值的基本形式,以提供交叉浏览器兼容性,添加供应商专用的前置固定属性值(例如 -o-线性梯度
, -moz-线性
)。
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