/* General styles */
body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f9f9f9;
    color: #333;
}

header {
    background: #007acc;
    color: #fff;
    padding: 20px 0;
    text-align: center;
    position: relative;
}

header h1 {
    margin: 0;
    font-size: 2.5em;
    position: relative;
    z-index: 2;
}

header p {
    margin: 10px 0 0;
    font-size: 1.2em;
    position: relative;
    z-index: 2;
}

header::before {
    content: "";
    background: url('hex_sticker.png') no-repeat center;
    background-size: 50%;
    opacity: 0.1;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

main {
    padding: 20px;
    max-width: 800px;
    margin: 0 auto;
    background: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}

h2 {
    color: #007acc;
    border-bottom: 2px solid #007acc;
    padding-bottom: 5px;
}

pre {
    background: #f4f4f4;
    padding: 10px;
    border-left: 4px solid #007acc;
    overflow-x: auto;
}

code {
    font-family: "Courier New", Courier, monospace;
    background: #f4f4f4;
    padding: 2px 4px;
    border-radius: 4px;
}

ul {
    margin: 10px 0;
    padding: 0 20px;
}

footer {
    text-align: center;
    margin-top: 20px;
    padding: 10px 0;
    background: #007acc;
    color: #fff;
    border-radius: 0 0 8px 8px;
}

a {
    color: #007acc;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}