@font-face {
    font-family: 'Open Sans';
    src: local('Open Sans'),
         local('OpenSans'),
         url('OpenSans-Regular.woff') format('woff'),
         url('OpenSans-Regular.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
}
@font-face {
    font-family: 'Open Sans';
    src: local('Open Sans Italic'),
         local('OpenSans-Italic'),
         url('OpenSans-Italic.woff') format('woff'),
         url('OpenSans-Italic.ttf') format('truetype');
    font-weight: 400;
    font-style: italic;
}
@font-face {
    font-family: 'Open Sans';
    src: local('Open Sans Semibold'),
         local('OpenSans-Semibold'),
         url('OpenSans-Semibold.woff') format('woff'),
         url('OpenSans-Semibold.ttf') format('truetype');
    font-weight: 600;
    font-style: normal;
}
@font-face {
    font-family: 'Open Sans';
    src: local('Open Sans Semibold Italic'),
         local('OpenSans-SemiboldItalic'),
         url('OpenSans-SemiboldItalic.woff') format('woff'),
         url('OpenSans-SemiboldItalic.ttf') format('truetype');
    font-weight: 600;
    font-style: italic;
}
@font-face {
    font-family: 'Open Sans';
    src: local('Open Sans Bold'),
         local('OpenSans-Bold'),
         url('OpenSans-Bold.woff') format('woff'),
         url('OpenSans-Bold.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
}
@font-face {
    font-family: 'Open Sans';
    src: local('Open Sans Bold Italic'),
         local('OpenSans-BoldItalic'),
         url('OpenSans-BoldItalic.woff') format('woff'),
         url('OpenSans-BoldItalic.ttf') format('truetype');
    font-weight: 700;
    font-style: italic;
}