.bloc_devis {
    background: #a1c60c;
    padding-top: 50px;
    padding-bottom: 50px;
    position: relative;
    min-height: 590px;
}
.quotation_motif.first {
    position: absolute;
    left: 40px;
    top: 15px;
}
.quotation_motif.second {
    position: absolute;
    right: 40px;
    top: 15px;
}
.quotation_motif {z-index: 1;}
.devis_form_content {position: relative;z-index: 2;}

@media (max-width: 992px) {
    .bloc_devis {padding-top: 30px;padding-bottom: 80px;min-height: auto;}
}
@media (max-width: 769px) {
    .bloc_devis {padding-bottom: 30px;}
}