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