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