body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f9;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    color: #333;
}
.hlavni {
    text-align: center;
    padding: 50px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}
h1 {
    font-size: 48px;
    color: #1958c6;
}
p {
    font-size: 18px;
    color: #555;
}
.loader-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
}
.loader {
    border: 8px solid #f3f3f3;
    border-top: 8px solid #1958c6;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 3s linear infinite;
    margin-top: 20px;
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive styles */
@media (max-width: 1024px) {
    body {
        padding: 20px;
        font-size: 16px;
        text-align: center;
    }

    .container {
        width: 100%;
        padding: 0 15px;
    }

    h1 {
        font-size: 2em;
    }

    p {
        font-size: 1em;
    }

    img {
        max-width: 80%;
        height: auto;
    }
}

@media (max-width: 600px) {
    h1 {
        font-size: 1.5em;
    }

    p {
        font-size: 0.95em;
    }

    img {
        max-width: 90%;
    }
}