Element block pseudo-element :before generated with height auto border 0px rgba(0,0,0,1) solid width 160px font-size 16px border-radius background text-shadow 1px 1px 1px rgba(0,0,0,0.2) z-index auto transform box-sizing content-box margin 0px position static overflow hidden line-height 1 display block float none font-weight normal cursor default padding 20px box-shadow 3px 3px 3px rgba(0,0,0,0.3) transition