element-web/res/themes/light/css/_fonts.scss

/*
 * Open Sans
 * Includes extended Latin, Greek, Cyrillic and Vietnamese character sets
 */

/* the 'src' links are relative to the bundle.css, which is in a subdirectory.
 */
@font-face {
    font-family: 'Open Sans';
    src: url('../../fonts/Open_Sans/OpenSans-Regular.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
}

@font-face {
    font-family: 'Open Sans';
    src: url('../../fonts/Open_Sans/OpenSans-Italic.ttf') format('truetype');
    font-weight: 400;
    font-style: italic;
}

@font-face {
    font-family: 'Open Sans';
    src: url('../../fonts/Open_Sans/OpenSans-Semibold.ttf') format('truetype');
    font-weight: 600;
    font-style: normal;
}

@font-face {
    font-family: 'Open Sans';
    src: url('../../fonts/Open_Sans/OpenSans-SemiboldItalic.ttf') format('truetype');
    font-weight: 600;
    font-style: italic;
}

@font-face {
    font-family: 'Open Sans';
    src: url('../../fonts/Open_Sans/OpenSans-Bold.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
}

@font-face {
    font-family: 'Open Sans';
    src: url('../../fonts/Open_Sans/OpenSans-BoldItalic.ttf') format('truetype');
    font-weight: 700;
    font-style: italic;
}

/*
 * Fira Mono
 * Used for monospace copy, i.e. code
 */

@font-face {
    font-family: 'Fira Mono';
    src: url('../../fonts/Fira_Mono/FiraMono-Regular.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
}

@font-face {
    font-family: 'Fira Mono';
    src: url('../../fonts/Fira_Mono/FiraMono-Bold.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
}