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