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