body {
    font-family: Arial, sans-serif;
    font-size: 18px;
    margin: 20px;
}

h1, h2 {
    font-weight: bold;
}

ul {
    list-style-type: none;
    padding: 0;
}

ul li {
    border: 1px solid #ccc;
    border-radius: 5px;
    padding: 20px; /* Increased padding */
    margin-bottom: 15px; /* Increased margin */
    line-height: 1.6; /* Increased line height */
    background-color: #fff;
    transition: background-color 0.3s, border-color 0.3s, box-shadow 0.3s;
}

ul li:hover {
    background-color: #f9f9f9;
    border-color: #bbb;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

ul li.selected {
    background-color: #e0f7fa;
    border-color: #00796b;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

ul li a {
    text-decoration: none;
    color: #00796b;
    font-weight: bold;
}

ul li.selected a {
    color: #004d40;
}

ul li a:hover {
    text-decoration: underline;
}