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