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