/* General Reset */
body {
    margin: 0;
    padding: 0;
    font-family: 'Arial', sans-serif;
    background-color: #f9f9f9;
    color: #333;
}

/* Page Container */
h1 {
    text-align: center;
    margin-top: 20px;
    color: #2c3e50;
}

ul {
    list-style: none;
    padding: 0;
    margin: 20px auto;
    max-width: 600px;
}

/* Main List Items */
ul > li {
    background: #ffffff;
    border: 1px solid #ddd;
    border-radius: 8px;
    margin-bottom: 10px;
    padding: 15px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

/* Hover Effect */
ul > li:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

/* Sublist */
ul > li > ul {
    margin-top: 10px;
    padding-left: 20px;
}

ul > li > ul > li {
    background: #f0f8ff;
    color: #2c3e50;
    padding: 10px;
    margin-bottom: 5px;
    border-left: 4px solid #3498db;
    border-radius: 4px;
    font-size: 0.95rem;
    transition: background-color 0.2s ease;
}

ul > li > ul > li:hover {
    background-color: #d6eaff;
}

/* Links (Optional) */
a {
    color: #3498db;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}