body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    line-height: 1.6;
}

/* Header */
header {
    background-color: #007BFF;
    color: white;
    text-align: center;
    padding: 20px;
}

header h1 {
    margin: 0;
}

header p {
    margin: 5px 0;
}

/* Navigation Bar */
nav {
    background-color: #333;
    overflow: hidden;
}

.nav-center {
    display: flex;
    justify-content: center;
    align-items: center;
}

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

nav a:hover {
    background-color: #ddd;
    color: black;
}

/* Dropdown Styles */
.dropdown {
    position: relative;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: #333;
    min-width: 160px;
    z-index: 1;
}

.dropdown:hover .dropdown-content {
    display: block;
}

.dropdown-content a {
    color: white;
    padding: 12px 16px;
    display: block;
    text-decoration: none;
}

.dropdown-content a:hover {
    background-color: #ddd;
    color: black;
}

/* Content Section */
.content-section {
    padding: 40px 20px;
    margin: 20px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.content-section h2 {
    color: #007BFF;
    text-align: center;
}

.content-section h3, .content-section h4 {
    color: #007BFF;
}

ul {
    list-style-type: disc;
    margin-left: 20px;
}

.container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-top: 20px;
}

.container div {
    width: 48%;
    margin-bottom: 20px;
}

.container div img {
    width: 100%;
    border-radius: 8px;
    margin-bottom: 10px;
}

.container div h3 {
    color: #333;
    text-align: center;
}

/* Footer */
footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 15px 0;
    margin-top: 40px;
}

/* Media Query for Mobile */
@media screen and (max-width: 768px) {
    .container div {
        width: 100%;
    }
}