body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #a7cbf1;
    color: #212529;
}

header {
    background-color: #a7cbf1;
    color: white;
    padding: 20px;
    text-align: center;
    font-size: 1.5rem;
}

nav {
    background-color: #343a40;
    display: flex;
    justify-content: center;
    gap: 15px;
    padding: 10px 0;
}

nav a {
    color: white;
    text-decoration: none;
    padding: 8px 16px;
    transition: background-color 0.3s ease;
}

nav a:hover {
    background-color: #495057;
    border-radius: 5px;
}

main {
    padding: 20px;
    max-width: 900px;
    margin: auto;
}

section {
    margin-bottom: 30px;
    padding: 15px;
    background-color: white;
    border-radius: 10px;
    box-shadow: 10 2px 9px rgba(0, 0, 0, 0.1);
}

h1,
h2,
h3 {
    color: #007bff;
}

footer {
    color: #007bff;
    text-align: center;
    position: fixed;
    bottom: 0;
    width: 100%;
}

form label {
    display: block;
    margin-top: 10px;
    font-weight: bold;
}

form input,
form textarea {
    width: 100%;
    padding: 8px;
    margin-top: 5px;
    border: 1px solid #ced4da;
    border-radius: 5px;
    box-sizing: border-box;
}

form button {
    margin-top: 15px;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    background-color: #28a745;
    color: white;
    font-size: 1rem;
    cursor: pointer;
}

form button:hover {
    background-color: #218838;
}

.success-message {
    margin-top: 15px;
    color: #28a745;
    font-weight: bold;
}