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