niente di speciale, lo chiamo con 
	codice HTML:
	* {font-family:'Ruda',Arial,sans-serif;src:url(/fonts/ruda/Ruda.woff2) format('woff2'), url(/fonts/ruda/Ruda.woff) format('woff');}
 
e nella cartella il css è 
	codice HTML:
	@font-face {
    font-family: 'Ruda';
    src: url('Ruda-Regular.woff2') format('woff2'),
        url('Ruda-Regular.woff') format('woff');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Ruda';
    src: url('Ruda-Medium.woff2') format('woff2'),
        url('Ruda-Medium.woff') format('woff');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Ruda';
    src: url('Ruda-SemiBold.woff2') format('woff2'),
        url('Ruda-SemiBold.woff') format('woff');
    font-weight: 600;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Ruda';
    src: url('Ruda-Bold.woff2') format('woff2'),
        url('Ruda-Bold.woff') format('woff');
    font-weight: bold;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Ruda';
    src: url('Ruda-ExtraBold.woff2') format('woff2'),
        url('Ruda-ExtraBold.woff') format('woff');
    font-weight: 800;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Ruda';
    src: url('Ruda-Black.woff2') format('woff2'),
        url('Ruda-Black.woff') format('woff');
    font-weight: 900;
    font-style: normal;
    font-display: swap;
}