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