@font-face {
    font-family: 'Open Sans';
    src: url('OpenSans-Regular.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Open Sans';
    src: url('OpenSans-Italic.ttf') format('truetype');
    font-weight: normal;
    font-style: italic;
    font-display: swap;
}
@font-face {
    font-family: 'Open Sans';
    src: url('OpenSans-Bold.ttf') format('truetype');
    font-weight: bold;
    font-style: normal;
    font-display: swap;
}