.login-container {
    max-width: 420px;
    margin: auto;
    border-radius: 10px;
}

.btn {
    width: 100%;
    margin-top: 18px;
}

body {
    min-height: 100vh;
}

form > input:not(:last-child) {
    margin: 0 0 5px 0;
}

h2 {
    margin: 0.4em 0;
  text-align: center;
}