:root {
    --width: 625px;
    --background-color: #1f1b1b;
    --text-color: #9f9f9f;
    --heading-color: #afafaf;
}

body {
    max-width: var(--width);
    min-height: 100dvh;
    margin: auto;
    padding: 20px;
    background-color: var(--background-color);
    color: var(--text-color);

    display: flex;
    flex-direction: column;
}

header {
    display: flex;
    gap: 2rem;
    justify-content: space-between;
    align-items: center;
    flex-direction: row;
}

header a.signup {
    margin-left: auto;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--heading-color);
}

.title, .signup, .login {
    text-decoration: none;
}

footer {
    margin-top: auto;
    text-align: center;
    padding: 30px;
}