phpengine/ui/admin/assets/css/roboto.css

/* roboto-regular - latin */
@font-face {
	font-family: 'Roboto';
	font-style: normal;
	font-weight: 400;
	src: local('Roboto'), local('Roboto-Regular'),
	url('../fonts/Roboto-regular.ttf') format('ttf')
}