open-sans.css

/** Light */
@font-face {
    font-family: 'Open Sans';
    font-style: normal;
    font-weight: 300;
    src: local('Open Sans Light'),
        url('../fonts/Open_Sans/OpenSans-Light.ttf') format('ttf');
    unicode-range: U+000-5FF; /* Latin glyphs */
}

@font-face {
    font-family: 'Open Sans';
    font-style: italic;
    font-weight: 300;
    src: local('Open Sans Light Italic'),
        url('../fonts/Open_Sans/OpenSans-LightItalic.ttf') format('ttf');
    unicode-range: U+000-5FF; /* Latin glyphs */
}

/** Normal */
@font-face {
    font-family: 'Open Sans';
    font-style: italic;
    font-weight: 400;
    src: local('Open Sans Italic'),
        url('../fonts/Open_Sans/OpenSans-Italic.ttf') format('ttf');
    unicode-range: U+000-5FF; /* Latin glyphs */
}

@font-face {
    font-family: 'Open Sans';
    font-style: normal;
    font-weight: 400;
    src: local('Open Sans Regular'),
        url('../fonts/Open_Sans/OpenSans-Regular.ttf') format('ttf');
    unicode-range: U+000-5FF; /* Latin glyphs */
}

/** SemiBold */
@font-face {
    font-family: 'Open Sans';
    font-style: normal;
    font-weight: 600;
    src: local('Open Sans Semibold'),
        url('../fonts/Open_Sans/OpenSans-SemiBold.ttf') format('ttf');
    unicode-range: U+000-5FF; /* Latin glyphs */
}

@font-face {
    font-family: 'Open Sans';
    font-style: italic;
    font-weight: 600;
    src: local('Open Sans Semibold Italic'),
        url('../fonts/Open_Sans/OpenSans-SemiBoldItalic.ttf') format('ttf');
    unicode-range: U+000-5FF; /* Latin glyphs */
}

/** Bold */
@font-face {
    font-family: 'Open Sans';
    font-style: normal;
    font-weight: 700;
    src: local('Open Sans Bold'),
        url('../fonts/Open_Sans/OpenSans-Bold.ttf') format('ttf');
    unicode-range: U+000-5FF; /* Latin glyphs */
}

@font-face {
    font-family: 'Open Sans';
    font-style: italic;
    font-weight: 700;
    src: local('Open Sans Bold Italic'),
        url('../fonts/Open_Sans/OpenSans-BoldItalic.ttf') format('ttf');
    unicode-range: U+000-5FF; /* Latin glyphs */
}

/** ExtraBold */
@font-face {
    font-family: 'Open Sans';
    font-style: normal;
    font-weight: 700;
    src: local('Open Sans ExtraBold'),
        url('../fonts/Open_Sans/OpenSans-ExtraBold.ttf') format('ttf');
    unicode-range: U+000-5FF; /* Latin glyphs */
}

@font-face {
    font-family: 'Open Sans';
    font-style: italic;
    font-weight: 700;
    src: local('Open Sans ExtraBold Italic'),
        url('../fonts/Open_Sans/OpenSans-ExtraBoldItalic.ttf') format('ttf');
    unicode-range: U+000-5FF; /* Latin glyphs */
}