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