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