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