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颜色动画效果主要是利用:before:after进行实现的,所以,大家如果使用的时候,切记:before:after没有被占用,否则会显示不正常。

1.颜色块变化

html

<span class="ech-fade">fade</span>

css

/当前元素设置相对定位/.ech-fade, .ech-fade-t, .ech-fade-b, .ech-fade-l, .ech-fade-r, .ech-fade-c-in, .ech-fade-m-in, .ech-fade-m-out, .ech-fade-c-out, .ech-bounce-t, .ech-bounce-b, .ech-bounce-r, .ech-bounce-l { position: relative; transition: all .3s; z-index: 1;

2.颜色上下划线变化

html

<span class="ech-overline-l">overline-l</span>

css

/上划线和下划线变化 当前元素样式设置相对定位/.ech-overline-r, .ech-overline-l, .ech-underline-r, .ech-underline-l, .ech-underline-c, .ech-overline-c, .ech-underline-c-out, .ech-overline-c-out{ position: relative; transition: all .3s; z-index: 1;

3箭头动画

html

<span class="ech-arrow-l">arrow-l</span><span class="ech-arrow-r">arrow-r</span><span class="ech-arrow-t">arrow-t</span><span class="ech-arrow-b">arrow-b</span><span class="ech-arrow-l-move">arrow-l</span><span class="ech-arrow-r-move">arrow-r</span><span class="ech-arrow-t-move">arrow-t</span><span class="ech-arrow-b-move">arrow-b</span>

css

.ech-arrow-l, .ech-arrow-r, .ech-arrow-t, .ech-arrow-b, .ech-arrow-l-move, .ech-arrow-r-move, .ech-arrow-t-move, .ech-arrow-b-move{ position: relative; transition: all .3s; z-index: 1;

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