/* Globalne ustawienia */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    background-color: #f9f9f9;
}

/* --- STYL DLA TELEFONÓW --- */
@media (max-width: 768px) {
    header {
        background: url('../img/img10.jpg') no-repeat center center;
        background-size: cover;
        height: 250px;
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
        color: white;
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
        padding: 20px;
    }

    h1 {
        font-size: 2em;
    }

    nav {
        background-color: #7ab8ffad;
        padding: 10px;
    }

    nav ul {
        list-style: none;
        text-align: center;
    }

    nav ul li {
        display: block;
        margin: 10px 0;
    }

    nav ul li a {
        text-decoration: none;
        color: black;
        font-size: 1.2em;
        padding: 10px;
        display: block;
    }

    #blog-section {
        margin: 20px auto;
        width: 90%;
        background-color: white;
        padding: 15px;
        border-radius: 8px;
        box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.1);
    }

    footer {
        text-align: center;
        padding: 15px;
        font-size: 14px;
        background-color: #ddd;
    }
}

/* --- STYL DLA KOMPUTERÓW --- */
@media (min-width: 769px) {
    header {
        background: url('../img/img10.jpg') no-repeat center center;
        background-size: cover;
        height: 300px;
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
        color: white;
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
        padding: 20px;
    }

    h1 {
        font-size: 2.5em;
    }

    nav {
        background-color: #7ab8ffad;
        padding: 10px;
    }

    nav ul {
        display: flex;
        justify-content: center;
        list-style: none;
    }

    nav ul li {
        display: inline-block;
        margin: 0 15px;
    }

    nav ul li a {
        text-decoration: none;
        color: black;
        font-size: 1.2em;
        padding: 10px;
    }

    #blog-section {
        margin: 20px auto;
        width: 60%;
        background-color: white;
        padding: 20px;
        border-radius: 8px;
        box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.1);
    }

    footer {
        text-align: center;
        padding: 15px;
        font-size: 16px;
        background-color: #ddd;
    }
}