Element block pseudo-class :active generated with border 0px rgba(0,0,0,1) solid line-height 1 padding 20px display block width 160px transition margin 0px text-shadow 1px 1px 1px rgba(0,0,0,0.2) background box-sizing content-box overflow hidden height auto position static font-weight normal transform box-shadow 1px 1px 1px rgba(0,0,0,0.3) cursor default z-index auto float none border-radius font-size 16px