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