body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: url('img/background.webp') no-repeat center center fixed;
    background-size: cover;
    color: #333;
}

.container {
    display: flex;
}

header, footer {
    text-align: center;
    padding: 10px 0;
    background: rgba(255, 255, 255, 0.7);
}

header img, footer img {
    width: 150px;
}

.sidebar {
    width: 250px;
    background: rgba(255, 255, 255, 0.8);
    padding: 20px;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
}

.sidebar h3 {
    margin-top: 0;
}

.sidebar a {
    display: flex;
    align-items: center;
    padding: 10px;
    color: #333;
    text-decoration: none;
    margin-bottom: 5px;
    background: #f4f4f4;
}

.sidebar a:hover {
    background: #ddd;
}

.sidebar .icon {
    width: 20px;
    height: 20px;
    margin-right: 10px;
}

.sidebar .submenu {
    margin-left: 20px;
}

.sidebar .submenu h4 {
    margin-bottom: 10px;
    font-size: 1em;
    color: #555;
}

.sidebar .submenu a {
    display: flex;
    align-items: center;
    padding: 5px 0;
    color: #333;
    text-decoration: none;
    font-size: 0.9em;
}

.sidebar .submenu a:hover {
    background: #ddd;
}

.content {
    flex: 1;
    padding: 20px;
    background: rgba(255, 255, 255, 0.8);
    margin: 20px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1, h2, h3 {
    color: #333;
}

pre {
    background: #333;
    color: #f4f4f4;
    padding: 10px;
    overflow-x: auto;
}

code {
    font-family: "Courier New", Courier, monospace;
}

.step {
    margin-bottom: 20px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

table, th, td {
    border: 1px solid #dddddd;
}

th, td {
    padding: 8px;
    text-align: left;
}

th {
    background-color: #f2f2f2;
}

@media (max-width: 600px) {
    .container {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
    }
    .content {
        margin: 0;
    }
}