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