.signing-form {
    display: flex;
    flex-direction: column;
    width: 80%;
    margin: auto;
}

.signing-form label {
    display: grid;
    grid-template-columns: 10rem auto;
}

.signing-form select {
    height: 26px;
    grid-column-start: 2;
}

.signing-form input[type=submit] {
    width: 30%;
    margin-top: 2rem;
    margin-left: auto;
    margin-right: auto;
    color: #FFF;
    background-color: #239CB5;
    font-weight: bold;
    padding: 1rem;
    border: 0;
    font-size: 2rem;
}

@media (max-width: 576px) {
    .signing-form {
        width: 100%;
    }
    .signing-form label {
        grid-template-columns: 8rem auto;
    }
    .signing-form input[type=submit] {
        width: 50%;
    }
    .signing-form select {
        grid-column-start: 1;
        grid-column-end: 3;
    }
}