@font-face {
    font-family: 'Roboto';
    src: url('roboto-thin.ttf') format('truetype');
    font-weight: 100;
    font-style: normal;
}
@font-face {
    font-family: 'Roboto';
    src: url('roboto-light.ttf') format('truetype');
    font-weight: 300;
    font-style: normal;
}
@font-face {
    font-family: 'Roboto';
    src: url('roboto-regular.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
}
@font-face {
    font-family: 'Roboto';
    src: url('roboto-medium.ttf') format('truetype');
    font-weight: 500;
    font-style: normal;
}
@font-face {
    font-family: 'Roboto';
    src: url('roboto-bold.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
}
@font-face {
    font-family: 'Roboto';
    src: url('roboto-black.ttf') format('truetype');
    font-weight: 900;
    font-style: normal;
}