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