Element block pseudo-element :before generated with float none margin 12px border 0px rgba(0,0,0,1) solid display block position static line-height 1 box-sizing content-box font-size 16px border-radius text-shadow 1px 1px 1px rgba(0,0,0,0.2) z-index auto font-weight normal box-shadow 1px 1px 1px rgba(0,0,0,0.3) transform width 160px overflow hidden transition cursor default height auto background padding 20px