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