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