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