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