@font-face {
    font-family: 'PT Serif';
    font-stretch: normal;
    font-style: normal;
    font-variant: normal;
    font-weight: 400;
    src: url('PTSerif-Regular.woff2') format('woff2'),
         url('PTSerif-Regular.woff') format('woff'),
         url('PTSerif-Regular.ttf') format('truetype');
}

@font-face {
    font-family: 'PT Serif';
    font-stretch: normal;
    font-style: italic;
    font-variant: normal;
    font-weight: 400;
    src: url('PTSerif-RegularItalic.woff2') format('woff2'),
         url('PTSerif-RegularItalic.woff') format('woff'),
         url('PTSerif-RegularItalic.ttf') format('truetype');
}

@font-face {
    font-family: 'PT Serif';
    font-stretch: normal;
    font-style: normal;
    font-variant: normal;
    font-weight: 700;
    src: url('PTSerif-Bold.woff2') format('woff2'),
         url('PTSerif-Bold.woff') format('woff'),
         url('PTSerif-Bold.ttf') format('truetype');
}

@font-face {
    font-family: 'PT Serif';
    font-stretch: normal;
    font-style: italic;
    font-variant: normal;
    font-weight: 700;
    src: url('PTSerif-BoldItalic.woff2') format('woff2'),
         url('PTSerif-BoldItalic.woff') format('woff'),
         url('PTSerif-BoldItalic.ttf') format('truetype');
}