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