/* General body styling */
body {
    font-family: 'Arial', sans-serif;
    background-color: #f4f4f9; /* Light gray background */
    color: #333; /* Dark text color */
    margin: 0;
    padding: 0;
}

/* Header styling */
header {
    background-color: #4CAF50; /* Green header */
    color: white;
    padding: 20px;
    text-align: center;
    font-size: 24px;
    font-weight: bold;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Navigation bar styling */
nav {
    background-color: #333; /* Dark navigation bar */
    overflow: hidden;
}

nav a {
    float: left;
    display: block;
    color: white;
    text-align: center;
    padding: 14px 20px;
    text-decoration: none;
}

nav a:hover {
    background-color: #575757; /* Darker gray on hover */
    color: #fff;
}

/* Main content styling */
main {
    padding: 20px;
    background-color: #ffffff; /* White background for content */
    margin: 20px auto;
    max-width: 800px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Headings */
h1, h2, h3 {
    color: #4CAF50; /* Green headings */
}

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

ul li {
    background-color: #e8f5e9; /* Light green background */
    margin: 5px 0;
    padding: 10px;
    border-radius: 4px;
    transition: background-color 0.3s ease;
}

ul li:hover {
    background-color: #c8e6c9; /* Slightly darker green on hover */
}

/* Links */
a {
    color: #4CAF50; /* Green links */
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Footer styling */
footer {
    background-color: #333; /* Dark footer */
    color: white;
    text-align: center;
    padding: 10px;
    position: fixed;
    bottom: 0;
    width: 100%;
}

/* Buttons */
button {
    background-color: #4CAF50; /* Green button */
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #45a049; /* Darker green on hover */
}

/* Table styling */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

table th, table td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
}

table th {
    background-color: #4CAF50; /* Green header for tables */
    color: white;
}

table tr:nth-child(even) {
    background-color: #f9f9f9; /* Light gray for even rows */
}

table tr:hover {
    background-color: #f1f1f1; /* Slightly darker gray on hover */
}