body {
    font-family: monospace;
    font-size: 15px;
    background: #ffffff;
    color: #000000;
    margin: 12px;
    line-height: 1.45;
}

h1 {
    font-size: 1.5em;
    font-family: serif;
    margin: 0 0 12px 0;
}

pre {
    font-family: monospace;
    font-size: 15px;
    line-height: 1.5;
    white-space: pre;
    overflow-x: auto;
}

a {
    color: #0000ee;
    text-decoration: none;
}

a:visited {
    color: #551a8b;
}

a:hover {
    text-decoration: underline;
}

/* ========== Телефони (вертикално и хоризонтално еднакво) ========== */
@media (max-width: 900px) {
    body {
        font-size: 20px;
        margin: 10px;
    }

    pre {
        font-size: 20px;
        line-height: 1.65;
    }

    h1 {
        font-size: 1.5em;
    }
}