.gym_banner_img {
    padding: 450px 0 0 0!important;
    color: #ffff;
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
}
.bg {
    /* The image used */
    background-image: url("assets/images/map.jpg");

    /* Full height */
    height: 100vh; 

    /* Center and scale the image nicely */
    background-position: center;
    background-repeat: no-repeat;
    background-size: contain;
    position: relative;
}

@media only screen and (max-width: 768px) {
    .bg {
        /* The image used */
        background-image: url("assets/images/mapv2.jpg");

        /* Full height */
        height: 900px; 

        /* Center and scale the image nicely */
        background-position: center;
        background-repeat: no-repeat;
        background-size: cover;
        position: relative;
    }
}
@media only screen and (max-width: 650px) {
    .bg {
        /* The image used */
        background-image: url("assets/images/mapv2.jpg");

        /* Full height */
        height: 600px; 

        /* Center and scale the image nicely */
        background-position: center;
        background-repeat: no-repeat;
        background-size: cover;
        position: relative;
    }
}