废话不多说了，直接看效果图吧。

效果图如下：

超文本标记语言代码：

div class=' wrapper ' h1 class=' sub section _ _ title '事件类型：/h1 div class=' center ' style=' margin-top : 40px；div id=' trigger-2-hover ' class=' sound-trigger sound-trigger-type-default-2 sound-trigger-type-hover ' p class=' sound-trigger _ _ speach ' hover！/p div class=' sound-trigger _ _ inner ' I class=' fa fa-volume-up fa-LG '/I/div/div div id=' trigger-2-click ' class=' sound-trigger sound-trigger-type-default sound-trigger-type-click ' p class=' sound-trigger _ _ speach ' click！/p div class=' sound-trigger _ _ inner ' I class=' fa fa-volume-up fa-LG '/I/div/div/div