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