body {
    font-family: Arial, sans-serif;
    background-color: #f6f7f9;
    margin: 0;
    padding: 0;
    color: #333;
}

.container {
    width: 90%;
    max-width: 900px;
    margin: 40px auto;
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
}

h1, h2, h3 {
    color: #2a5cff;
}

p, li {
    line-height: 1.6;
}

ul {
    padding-left: 20px;
}

code {
    background: #e0e7ff;
    padding: 3px 6px;
    border-radius: 4px;
}