.disp-bl {
    display: block;
}

.disp-in {
    display: inline;
}

@media only screen and (min-width: 800px) {
    .disp-bl-m {
        display: block;
    }

    .disp-in-m {
        display: inline;
    }
}

@media only screen and (min-width: 1200px) {
    .disp-bl-l {
        display: block;
    }

    .disp-in-l {
        display: inline;
    }
}
.bg-black {
    background-color: #100d2b;
}
.bg-white {
    background-color: #ffffff;
}
@media only screen and (min-width: 800px) {
    .bg-black-m {
        background-color: #100d2b;
    }

    .bg-white-m {
        background-color: #ffffff;
    }
}
@media only screen and (min-width: 1200px) {
    .bg-black-l {
        background-color: #100d2b;
    }

    .bg-white-l {
        background-color: #ffffff;
    }
}