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