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