body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}
.container {
    display: flex;
    flex-direction: column; 
    min-height: 100vh; 
    max-width: 1200px;
    margin: 0 auto; 
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    background-color: #fff;
}

.header {
    background-color: #4CAF50; 
    color: white;
    padding: 20px;
    text-align: center;
    border-bottom: 5px solid #388E3C; 
}
.header h1 {
    margin: 0;
    font-size: 2.5em;
}
.header p {
    margin: 5px 0 0;
    font-size: 1.1em;
}

.main-content {
    display: flex;
    flex: 1; 
}

.sidebar {
    width: 250px;
    background-color: #e0e0e0;
    padding: 20px;
    border-right: 1px solid #ccc; 
    flex-shrink: 0;
}
.sidebar h2 {
    color: #4CAF50;
    margin-top: 0;
    border-bottom: 2px solid #ccc;
    padding-bottom: 10px;
}
.sidebar ul {
    list-style: none;
    padding: 0;
}
.sidebar ul li {
    margin-bottom: 10px;
}
.sidebar ul li a {
    text-decoration: none;
    color: #333;
    display: block;
    padding: 5px;
    transition: background-color 0.3s ease;
}
.sidebar ul li a:hover {
    background-color: #d0d0d0;
    color: #000;
}

.content {
    flex-grow: 1; 
    padding: 20px;
    background-color: #ffffff;
}
.content h2 {
    color: #4CAF50;
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
    margin-top: 30px;
}
.content h2:first-of-type {
    margin-top: 0;
}
.content p {
    line-height: 1.6;
    margin-bottom: 15px;
}
.content img {
    max-width: 100%; 
    height: auto; 
    display: block; 
    margin: 20px 0; 
    border-radius: 5px;
}

@media (max-width: 768px) {
    .main-content {
        flex-direction: column; /
    }
    .sidebar {
        width: 100%; /
        border-right: none; 
        border-bottom: 1px solid #ccc; 
    }
}