CSS3小图标分享按钮是一款有两组不同的鼠标滑过动画效果，一种是文字从左右飞入飞出，还有一种是按钮文字从上下淡入淡出，很简单的动画，但让整一个CSS3分享按钮显得很有动感。-CSS3 share button is a small icon has two different mouse over animation effects, one is the text from left to fly into flying, there is a button text fade from to