.block-white-green span {
    color:black;
    background-color:white;
}

.block-white-magenta span {
    color:#fefefe;
    background-color:#e6007e;
}

.block-magenta-white span {
    color:white;
    background-color:black;
}

.navbar-brand > img {
    max-height: 220px;
    width: auto;
}

@media(max-width:768px) {
    .navbar-brand > img {
        max-height: 175px;
    }

    .row {
        margin: 15px;
    }

    h1.block, h2.block {
        font-size: 22px;
    }

    h2 {
        font-size: 22px;
    }

}