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