The correct @font-face setup for Clear Sans

clearsans.scss

// ===================================================
// Font Face Rules
// ===================================================

@font-face {
    font-family: 'Clear Sans';
    font-style: normal;
    font-weight: 100;
    src: local('ClearSans-Thin'), local('Clear Sans Thin'),
         url('../fonts/clearsans/ClearSans-Thin.eot'),
         url('../fonts/clearsans/ClearSans-Thin.eot?#iefix') format('embedded-opentype'),
         url('../fonts/clearsans/ClearSans-Thin.woff') format('woff'),
         url('../fonts/clearsans/ClearSans-Thin.ttf') format('truetype'),
         url('../fonts/clearsans/ClearSans-Thin.svg') format('svg');
}

@font-face {
    font-family: 'Clear Sans';
    font-style: normal;
    font-weight: 300;
    src: local('ClearSans-Light'), local('Clear Sans Light'),
         url('../fonts/clearsans/ClearSans-Light.eot'),
         url('../fonts/clearsans/ClearSans-Light.eot?#iefix') format('embedded-opentype'),
         url('../fonts/clearsans/ClearSans-Light.woff') format('woff'),
         url('../fonts/clearsans/ClearSans-Light.ttf') format('truetype'),
         url('../fonts/clearsans/ClearSans-Light.svg') format('svg');
}

@font-face {
    font-family: 'Clear Sans';
    font-style: normal;
    font-weight: 400;
    src: local('ClearSans'), local('Clear Sans'),
         url('../fonts/clearsans/ClearSans-Regular.eot'),
         url('../fonts/clearsans/ClearSans-Regular.eot?#iefix') format('embedded-opentype'),
         url('../fonts/clearsans/ClearSans-Regular.woff') format('woff'),
         url('../fonts/clearsans/ClearSans-Regular.ttf') format('truetype'),
         url('../fonts/clearsans/ClearSans-Regular.svg') format('svg');
}

@font-face {
    font-family: 'Clear Sans';
    font-style: italic;
    font-weight: 400;
    src: local('ClearSans-Italic'), local('Clear Sans Italic'),
         url('../fonts/clearsans/ClearSans-Italic.eot'),
         url('../fonts/clearsans/ClearSans-Italic.eot?#iefix') format('embedded-opentype'),
         url('../fonts/clearsans/ClearSans-Italic.woff') format('woff'),
         url('../fonts/clearsans/ClearSans-Italic.ttf') format('truetype'),
         url('../fonts/clearsans/ClearSans-Italic.svg') format('svg');
}

@font-face {
    font-family: 'Clear Sans';
    font-style: normal;
    font-weight: 500;
    src: local('ClearSans-Medium'), local('Clear Sans Medium'),
         url('../fonts/clearsans/ClearSans-Medium.eot'),
         url('../fonts/clearsans/ClearSans-Medium.eot?#iefix') format('embedded-opentype'),
         url('../fonts/clearsans/ClearSans-Medium.woff') format('woff'),
         url('../fonts/clearsans/ClearSans-Medium.ttf') format('truetype'),
         url('../fonts/clearsans/ClearSans-Medium.svg') format('svg');
}

@font-face {
    font-family: 'Clear Sans';
    font-style: italic;
    font-weight: 500;
    src: local('ClearSans-MediumItalic'), local('Clear Sans Medium Italic'),
         url('../fonts/clearsans/ClearSans-MediumItalic.eot'),
         url('../fonts/clearsans/ClearSans-MediumItalic.eot?#iefix') format('embedded-opentype'),
         url('../fonts/clearsans/ClearSans-MediumItalic.woff') format('woff'),
         url('../fonts/clearsans/ClearSans-MediumItalic.ttf') format('truetype'),
         url('../fonts/clearsans/ClearSans-MediumItalic.svg') format('svg');
}

@font-face {
    font-family: 'Clear Sans';
    font-style: normal;
    font-weight: 700;
    src: local('ClearSans-Bold'), local('Clear Sans Bold'),
         url('../fonts/clearsans/ClearSans-Bold.eot'),
         url('../fonts/clearsans/ClearSans-Bold.eot?#iefix') format('embedded-opentype'),
         url('../fonts/clearsans/ClearSans-Bold.woff') format('woff'),
         url('../fonts/clearsans/ClearSans-Bold.ttf') format('truetype'),
         url('../fonts/clearsans/ClearSans-Bold.svg') format('svg');
}

@font-face {
    font-family: 'Clear Sans';
    font-style: italic;
    font-weight: 700;
    src: local('ClearSans-BoldItalic'), local('Clear Sans Bold Italic'),
         url('../fonts/clearsans/ClearSans-BoldItalic.eot'),
         url('../fonts/clearsans/ClearSans-BoldItalic.eot?#iefix') format('embedded-opentype'),
         url('../fonts/clearsans/ClearSans-BoldItalic.woff') format('woff'),
         url('../fonts/clearsans/ClearSans-BoldItalic.ttf') format('truetype'),
         url('../fonts/clearsans/ClearSans-BoldItalic.svg') format('svg');
}