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