/* minify to ../0~9.css https://www.toptal.com/developers/cssminifier */
body {
    background: #fff;
    color: #222;
    font-family: sans-serif;
}

#refreshButton {
    position: fixed;
    bottom: 10px;
    right: 10px;
    padding: 5px 10px;
    font-size: 16px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

#matrix span {
    display: inline-block;
    width: 30px;
    height: 30px;
    margin: 2px;
    border: 1px solid #888;
    font-size: 18px;
    text-align: center;
    background: #f9f9f9;
}

@media (prefers-color-scheme: dark) {
    body {
        background: #181a1b;
        color: #e0e0e0;
    }

    #refreshButton {
        background-color: #2e7d32;
        color: #fff;
    }

    #matrix span {
        border: 1px solid #444;
        background: #23272a;
        color: #e0e0e0;
    }
}