font-family:"Roboto-Light";src:url(data:application/font-woff code example
Example: @font-face rule in css
@font-face {
font-family: "Open Sans";
src: url("/fonts/OpenSans-Regular-webfont.woff2") format("woff2"),
url("/fonts/OpenSans-Regular-webfont.woff") format("woff");
}