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