@font-face {
    font-family: 'Open Sans';
    font-style: normal;
    font-weight: 300;
    src: url('OpenSans-Light.woff2') format('woff2'),
         url('OpenSans-Light.woff') format('woff'),
         url('OpenSans-Light.ttf') format('truetype');
}

@font-face {
    font-family: 'Open Sans';
    font-style: normal;
    font-weight: 400;
    src: url('OpenSans-Regular.woff2') format('woff2'),
         url('OpenSans-Regular.woff') format('woff'),
         url('OpenSans-Regular.ttf') format('truetype');
}

@font-face {
    font-family: 'Open Sans';
    font-style: normal;
    font-weight: 600;
    src: url('OpenSans-SemiBold.woff2') format('woff2'),
         url('OpenSans-SemiBold.woff') format('woff'),
         url('OpenSans-SemiBold.ttf') format('truetype');
}

@font-face {
    font-family: 'Open Sans';
    font-style: normal;
    font-weight: 700;
    src: url('OpenSans-Bold.woff2') format('woff2'),
         url('OpenSans-Bold.woff') format('woff'),
         url('OpenSans-Bold.ttf') format('truetype');
}