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