@font-face {
    font-family: 'IBM Plex Serif';
    src: url('IBMPlexSerif-Bold.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
}

@font-face {
    font-family: 'IBM Plex Serif';
    src: url('IBMPlexSerif-ExtraLight.ttf') format('truetype');
    font-weight: 200;
    font-style: normal;
}

@font-face {
    font-family: 'IBM Plex Serif';
    src: url('IBMPlexSerif-Light.ttf') format('truetype');
    font-weight: 300;
    font-style: normal;
}

@font-face {
    font-family: 'IBM Plex Serif';
    src: url('IBMPlexSerif-Medium.ttf') format('truetype');
    font-weight: 500;
    font-style: normal;
}

@font-face {
    font-family: 'IBM Plex Serif';
    src: url('IBMPlexSerif-Regular.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
}

@font-face {
    font-family: 'IBM Plex Serif';
    src: url('IBMPlexSerif-SemiBold.ttf') format('truetype');
    font-weight: 600;
    font-style: normal;
}

@font-face {
    font-family: 'IBM Plex Serif';
    src: url('IBMPlexSerif-Thin.ttf') format('truetype');
    font-weight: 100;
    font-style: normal;
}