body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background-color: #f5f7fa;
    color: #333;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 960px;
    margin: 1rem auto;
    padding: 1rem;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}

.navbar {
    display: flex;
    align-items: center;
    padding: 1rem;
    background-color: #007acc;
    color: #fff;
}

.navbar .brand {
    font-size: 1.5rem;
    font-weight: bold;
}

.navbar .splitter { flex: 1 1 auto; }

.navbar a {
    margin-right: 16px;
    color: #fff;
    text-decoration: none;
}

.navbar a:hover {
    text-decoration: underline;
}

h1, h2 { 
    margin-top: 3rem;
    color: #007acc;
}

textarea,
input {
    width: 100%;
    padding: 0.5rem;
    margin: 0.5rem 0;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1rem;
}

button {
    background-color: #007acc;
    color: #fff;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
}

button:hover {
    background-color: #005ea1;
}