@media (min-width: 993px) {
    #signupForm {
        width: 100%;
        display: flex;
        flex-direction: row;
        justify-content: space-around;
    }

    .blockInfos {
        flex-basis: 60%;
    }

    .blockBirthSubmit {
        flex-basis: 40%;
        display: flex;
        flex-direction: column;
        align-content: baseline;
        justify-content: space-between;
    }
}

@media (min-width: 1200px) {

    #signupForm {
        width: 90%;
    }
}

@media (min-width: 1400px) {

    #signupForm {
        width: 80%;
    }
}