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