/* Shadows */
:root {
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.02), 0 2px 4px rgba(0, 0, 0, 0.02), 0 4px 8px rgba(0, 0, 0, 0.02),
        0 8px 16px rgba(0, 0, 0, 0.02), 0 16px 32px rgba(0, 0, 0, 0.02), 0 32px 64px rgba(0, 0, 0, 0.02);
    --shadow-medium: 0 1px 2px rgba(0, 0, 0, 0.05), 0 2px 4px rgba(0, 0, 0, 0.05), 0 4px 8px rgba(0, 0, 0, 0.05),
        0 8px 16px rgba(0, 0, 0, 0.05), 0 16px 32px rgba(0, 0, 0, 0.05), 0 32px 64px rgba(0, 0, 0, 0.05);
    --shadow-dark: 0 1px 2px rgba(0, 0, 0, 0.1), 0 2px 4px rgba(0, 0, 0, 0.1), 0 4px 8px rgba(0, 0, 0, 0.1),
        0 8px 16px rgba(0, 0, 0, 0.1), 0 16px 32px rgba(0, 0, 0, 0.1), 0 32px 64px rgba(0, 0, 0, 0.1);
    --shadow-black: 0 1px 2px rgba(34, 16, 16, 0.3), 0 2px 4px rgba(0, 0, 0, 0.3), 0 4px 8px rgba(0, 0, 0, 0.3),
        0 8px 16px rgba(0, 0, 0, 0.3), 0 16px 32px rgba(0, 0, 0, 0.3), 0 32px 64px rgba(0, 0, 0, 0.3);
}

/* Scenary */
body,
html {
    margin: 0;
    padding: 0;
    flex-direction: column;
    display: flex;
    font-family: Arial, Helvetica, sans-serif;
}

/* All */
* {
    box-sizing: border-box;
}