body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f9;
    margin: 0;
    padding: 0;
}

header {
    background-color: #333;
    color: red;
    padding: 10px 0;
    text-align: center;
}

header h1 {
    margin: 0;
}

nav a {
    margin: 0 15px;
    color: white;
    text-decoration: none;
}

nav a:hover {
    text-decoration: underline;
}

.feed {
    padding: 20px;
}

.post {
    background-color: white;
    padding: 15px;
    margin-bottom: 10px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.login-form, .register-form {
    display: flex;
    justify-content: center;
    margin-top: 50px;
}

input {
    margin: 10px;
    padding: 10px;
    width: 200px;
    border-radius: 5px;
    border: 1px solid #ccc;
}

button {
    padding: 10px;
    border: none;
    background-color: #333;
    color: white;
    width: 220px;
    cursor: pointer;
    border-radius: 5px;
}