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