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