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