main {
    width: min(100%, 450px);
    margin: auto;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;

    & > * {
        border-right: 2px solid var(--border-color);
        border-left: 2px solid var(--border-color);
    }

    & figure {
        box-sizing: border-box;
        margin: 0;
        padding-top: 1em;
        width: 100%;
        text-align: center;

        & img {
            margin: auto;
            width: 50%;
        }
        & figcaption {
            margin-top: 1em;
        }
    }
}

h1 {
    box-sizing: border-box;
    width: 100%;
    margin: 0;
    padding: 1em;
    background-color: var(--secondary-color);
    border-radius: 0.25em 0.25em 0 0;
    text-align: center;
    color: var(--primary-color);
}

.centered-form {
    box-sizing: border-box;
    width: 100%;
    padding: 1em;
    background-color: var(--background-color);
    border-radius: 0 0 0.25em 0.25em;
    box-shadow: 0 2px 4px 0 var(--border-color), 0 2px 10px 0 var(--border-secondary-color);

    & button[type="submit"] {
        font-size: 1em;
        width: 100%;
        padding: 1em;
        border: 1px solid var(--secondary-color);
        border-radius: 0.25em;
        background-color: var(--secondary-color);
        color: var(--primary-color);

        &:hover {
            cursor: pointer;
            background-color: var(--third-color);
            transition: 0.3s ease;
        }
    }
}