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