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如何实现按钮波纹点击特效
发布时间:September 20, 2018 编辑:晓宇 阅读:(1568)
有时候我们会为按钮添加点击波纹特效提升用户体检,我们使用CSS就可简单实现。主要借助::after伪类及CSS3中的transform和transition属性。
HTML页面:
<div class="container text-center">
<button class="btn btn-default ripple btn-lg">Button</button>
<button class="btn btn-default ripple btn-lg">Button with very long content</button>
</div>
CSS样式
.ripple {
position: relative;
//隐藏溢出的径向渐变背景
overflow: hidden;
}
.ripple:after {
content: "";
display: block;
position: absolute;
width: 100%;
height: 100%;
top: 0;
left: 0;
pointer-events: none;
//设置径向渐变
background-image: radial-gradient(circle, #666 10%, transparent 10.01%);
background-repeat: no-repeat;
background-position: 50%;
transform: scale(10, 10);
opacity: 0;
transition: transform .3s, opacity .5s;
}
.ripple:active:after {
transform: scale(0, 0);
opacity: .3;
//设置初始状态
transition: 0s;
}
效果如下:
阿里的Ant Design按钮风格也可以以这个为模板来实现:
.ripple {
position: relative;
//此处不需要设置overflow:hidden,因为after元素需要溢出显示
}
.ripple:focus{
outline: none;
}
.ripple:after {
content: "";
display: block;
position: absolute;
//扩大伪类元素4个方向各10px
top: -10px;
left: -10px;
right: -10px;
bottom: -10px;
pointer-events: none;
background-color: #333;
background-repeat: no-repeat;
background-position: 50%;
opacity: 0;
transition: all .3s;
}
.ripple:active:after {
opacity: .3;
//设置初始状态
top: 0;
left: 0;
right: 0;
bottom: 0;
transition: 0s;
}
效果如下:
关键字词:CSS