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