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