body {
    font-family: Arial, sans-serif;
    background-color: #000;
    color: #fff;
    margin: 0;
    padding: 0;
}

header {
    background-color: #333;
    padding: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    margin: 0;
}

nav button {
    background-color: #555;
    color: #fff;
    border: none;
    padding: 5px 10px;
    cursor: pointer;
}

main {
    display: flex;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.feed {
    flex: 2;
    margin-right: 20px;
}

.post {
    background-color: #222;
    padding: 15px;
    margin-bottom: 10px;
    border-radius: 5px;
}

.like-btn {
    background-color: #444;
    color: #fff;
    border: none;
    padding: 5px 10px;
    cursor: pointer;
}

.like-btn:hover {
    background-color: #666;
}

aside {
    flex: 1;
    background-color: #111;
    padding: 15px;
    border-radius: 5px;
}