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