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