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