form input,
form select {
    width: 45%;
}

form {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

@media only screen and (min-width: 1550px) {

    form input,
    form select {
        width: 45% !important;
    }
}




@media only screen and (max-width: 1100px) and (min-width: 700px) {

    form input,
    form select {
        width: 46%;
        margin: 6px;
    }
}