Element block pseudo-class :active generated with transition background margin 10px font-size 16px width 160px height auto line-height 1 text-shadow 1px 1px 1px rgba(0,0,0,0.2) transform overflow hidden cursor default padding 20px box-sizing content-box position static font-weight normal box-shadow 1px 1px 1px rgba(0,0,0,0.3) z-index auto float none border 2px rgba(0,0,0,1) solid border-radius display block