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