Element block pseudo-element :after generated with transition box-shadow 1px 1px 1px rgba(0,0,0,0.3) display block line-height 1 cursor default font-size 16px padding 20px margin 0px height auto border 17px rgba(0,0,0,1) solid box-sizing content-box position static border-radius width 160px z-index auto overflow hidden text-shadow 1px 1px 1px rgba(0,0,0,0.2) transform background font-weight normal float none