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