html,
body {
    font-family: Arial, sans-serif;
    background-color: #f7f7f7;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    /* Zmienione na flex-start */
    width: 100%;
    height: 6634px;
    image-rendering: crisp-edges;
    image-rendering: -moz-crisp-edges;          /* Firefox */
    image-rendering: -o-crisp-edges;            /* Opera */
    -webkit-image-rendering: -webkit-optimize-contrast; /* Webkit (non-standard naming)*/
    -ms-interpolation-mode: nearest-neighbor;   /* IE (non-standard property) */
    image-rendering: pixelated; /* Chromium-based browsers */
}

.container {
    margin-top: 20px;
    text-align: center;
    background-color: #fff6;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    width: 80%;
    max-width: 800px;
    max-height: calc(100vh - 80px);
    overflow: auto;
}

.server-button {
    display: inline-block;
    padding: 10px 20px;
    font-size: 18px;
    cursor: pointer;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.server-button:hover {
    background-color: #45a049;
}

iframe {
    display: block;
}

#serverForm:focus-within+iframe {
    display: block;
}