.loginForm {
    border: 1px solid #000;
    padding: 1rem;
    margin: 0 auto;
    width: 30rem;
    max-width: 90%;
    display: flex;
    flex-direction: column;
}
.loginForm .input {
    display: flex;
}
.loginForm label {
    flex-grow: 1;
    min-width: 20%;
}
.loginForm input {
    flex-grow: 2;
    width: auto;
}