谈谈transition

transition-property:*//指定过渡的属性，比如transition-property:background就是指background参与这个过渡
transition-duration:*//指定这个过渡的持续时间
transition-delay:*//延迟过渡时间
transition-timing-function:*//指定过渡类型 ease|linear|ease-in|ease-out|ease-in-out|cublic-bezier

.trans{
-webkit-transition-property:background-color;
-webkit-transition-duration:0.3s;
-webkit-transition-timing-function:ease;
}

.trans:hover{
background-color:#486AAA;
color:#fff;
}