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