.content-area .site-main{
    padding: 0 !important;
    margin: 0 !important;
}
#zi_rfq_form_container{
   width:90%;
   min-width: 750px;
   max-width: 1150px;
   height:900px;
   margin-left: auto;
   margin-right: auto;
   overflow: hidden;
}
#zi_rfq_form_container h3 {
    margin-bottom: 20px;
    text-align:center;
}
#zi_rfq_form_container iframe{
    width: 100% !important;
    height: 920px;
}