@font-face {
    font-family: CircleBook;
    src: url("../fonts/CircularStd-Book.otf") format("opentype");
}
@font-face {
    font-family: CircleLight;
    src: url("../fonts/CircularStd-Light.otf") format("opentype");
}
@font-face {
    font-family: CircleMedium;
    src: url("../fonts/CircularStd-Medium.otf") format("opentype");
}
@font-face {
    font-family: CircleBold;
    src: url("../fonts/CircularStd-Bold.otf") format("opentype");
}