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