.city_our_help {
    max-width: 100%;
    background: url('../img/bg_kak_s_nami.jpg') no-repeat center top / cover;
}
.city_our_help_content {
    max-width: 1200px;
    margin: 0 auto;
}
.city_our_help_content_flex {
    display: flex;
    justify-content: space-around;
}
.city_our_help_content_step0 {
    margin: 0 auto;
}