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