@font-face {
    font-family: 'Source Serif Pro';
    font-stretch: normal;
    font-style: normal;
    font-variant: normal;
    font-weight: 600;
    src: url('SourceSerifPro-SemiBold.woff2') format('woff2'),
         url('SourceSerifPro-SemiBold.woff') format('woff'),
         url('SourceSerifPro-SemiBold.ttf') format('truetype');
}

@font-face {
    font-family: 'Source Serif Pro';
    font-stretch: normal;
    font-style: italic;
    font-variant: normal;
    font-weight: 600;
    src: url('SourceSerifPro-SemiBoldItalic.woff2') format('woff2'),
         url('SourceSerifPro-SemiBoldItalic.woff') format('woff'),
         url('SourceSerifPro-SemiBoldItalic.ttf') format('truetype');
}