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