body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f4f9;
    color: #333;
}

header {
    background: #35495e;
    color: white;
    padding: 1rem 0;
    text-align: center;
}

main {
    max-width: 800px;
    margin: 20px auto;
    padding: 20px;
    background: white;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

#post-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 30px;
}

input, textarea {
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

button {
    padding: 10px;
    background-color: #41b883;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
}

button:hover {
    background-color: #34495e;
}

.post {
    border-bottom: 1px solid #eee;
    padding: 15px 0;
}

.post h3 {
    margin: 0 0 10px 0;
    color: #35495e;
}

.post small {
    color: #888;
}