.frm_form_field {
    height: 48px;
    line-height: 30px;
    font-family: 'Fira Sans';
    font-size: 20px;
    border-radius: 13px;
    padding: 10px !important;
}
.half {
    width: 49%;
}
.quarter {
    width: 23%;
}

@media only screen and (max-width: 500px) {
    .frm_form_field {
        margin-top: 5px !important;
        margin-bottom: 5px !important;
    }
    .half {
        width: 100%;
    }
    .quarter {
        width: 100% ;
    }
    
    iframe {
	    height: 800px !important;
	    padding-top: 120px;
    }
}

#btnOpenform {
    color: #fff;
    background-color: #66cc00 !important;
    border-color: #66cc00 !important;
    height: 48px;
    width: 150px;
    font-family: 'Fira Sans';
    font-size: 20px;
    box-shadow: 0 0 black;
    border: 1px solid;
    border-radius: 13px;
    margin-top: 10px;
}