@font-face {
    font-family: 'Open Sans';
    src: url('OpenSans-Bold.woff') format('woff'),
        url('OpenSans-Bold.ttf') format('truetype');
    font-weight: bold;
    font-style: normal;
}

@font-face {
    font-family: 'Open Sans';
    src: url('OpenSans-BoldItalic.woff') format('woff'),
        url('OpenSans-BoldItalic.ttf') format('truetype');
    font-weight: bold;
    font-style: italic;
}

@font-face {
    font-family: 'Open Sans';
    src: url('OpenSans-Italic.woff') format('woff'),
        url('OpenSans-Italic.ttf') format('truetype');
    font-weight: normal;
    font-style: italic;
}

@font-face {
    font-family: 'Open Sans';
    src: url('OpenSans-Regular.woff') format('woff'),
        url('OpenSans-Regular.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}