.contact_map_bg{
    padding: 70px 0;
}
.contact_map_img{
    background-image: url(../images/tc_map_img.jpg);
    height: 560px;
}
.index_contact {
    margin-top: 30px;
}
@media screen and (max-width: 768px) {
    .index_contact {
        margin-top: 0px;
    }
    .contact_map_bg{
        padding: 10px;
        box-sizing: border-box;
    }
    .contact_map_img{
        width: 100%;
        height: 250px;
        background-position: left !important;
        background-repeat: no-repeat !important;
        background-size: cover !important;
    }
}