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