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