@media (min-width:992px) {
    .main-jumbotron {
        background-image: url(../images/jumbotron.jpg);
        background-size: cover;
    }
    .jumbotron *,
    jumbotron h1 {
        color: #ffffff !important;
    }
}

@media (max-width:991px) {
    .main-jumbotron {
        background-image: url(../images/jumbotron_mini.jpg);
        background-size: cover;
    }
}

.irm-image {
    width: 100%;
    height: auto;
}