.rent .form-row.form-row__general .form-group:nth-child(6) {

}

@media screen and (min-width: 980px) { 
    .rent .form-row.form-row__general .form-group:nth-child(6) {
        width: 11%;
    }
}

@media screen and (max-width: 980px) { 
    .rent .form-row.form-row__general .form-group:nth-child(6) {
        width: 100%;
    }
}