main {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    box-sizing: border-box;
}
h1 {
    font-weight: 300;
}
input {
    margin: 0.5rem 0;
}
a.button, input[type="submit"], button {
    margin: 1rem;
}
.logo {
    margin-bottom: 2rem;
}