@font-face {
    font-family: 'Roboto Slab';
    src: url('RobotoSlab-Thin.ttf') format('truetype');
    font-weight: 100;
    font-style: normal;
}

@font-face {
    font-family: 'Roboto Slab';
    src: url('RobotoSlab-Light.ttf') format('truetype');
    font-weight: 300;
    font-style: normal;
}

@font-face {
    font-family: 'Roboto Slab';
    src: url('RobotoSlab-Regular.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
}

@font-face {
    font-family: 'Roboto Slab';
    src: url('RobotoSlab-Bold.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
}

/* Classes para aplicar variações */
.roboto-slab-thin {
    font-weight: 100;
}

.roboto-slab-light {
    font-weight: 300;
}

.roboto-slab-regular {
    font-weight: 400;
}

.roboto-slab-bold {
    font-weight: 700;
}