body {
    font-family: Helvetica, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f5f5;
    color: #333;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    background-color: #333;
    color: white;
    padding: 20px;
    text-align: center;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #444;
    flex-wrap: wrap;
    position: relative;
}

.menu-toggle {
    display: none;
    cursor: pointer;
    font-size: 24px;
    padding: 10px;
    color: white;
    background-color: #444;
}

.nav-links {
    display: flex;
    justify-content: space-between;
    flex: 1;
}

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

nav a:hover {
    background-color: #555;
}

main {
    padding: 20px;
}

footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 10px 0;
    width: 100%;
    bottom: 0;
}

.container {
    max-width: 800px;
    margin: auto;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 8px;
    box-sizing: border-box;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

#posts .post {
    border: 1px solid #ddd;
    padding: 10px;
    margin: 10px 0;
}

/* Media Queries */
@media (max-width: 768px) {
    header h1 {
        font-size: 24px;
    }

    header h2 {
        font-size: 16px;
    }

    .menu-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        text-align: left;
    }

    .nav-links.active {
        display: flex;
    }

    nav a {
        width: 100%;
        padding: 10px;
    }

    .container {
        padding: 10px;
    }

    main {
        padding: 10px;
    }

    .form-group input, .form-group textarea {
        padding: 6px;
    }

    #posts .post {
        padding: 8px;
        margin: 8px 0;
    }
    
    img {
    max-width: 100%;
    height: auto;
    display: block;
    margin-left: auto;
    margin-right: auto;
}
}