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