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