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