body {
    font-family: Arial, sans-serif;
    background-color: #f3f3f3;
    margin: 0;
    padding: 20px;
}

.container {
    max-width: 800px;
    margin: auto;
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

h1 {
    text-align: center;
}

form {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

input, textarea {
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    width: 100%;
}

button {
    padding: 10px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

button:hover {
    background-color: #0056b3;
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead {
    background-color: #007bff;
    color: white;
}

th, td {
    padding: 10px;
    border: 1px solid #ddd;
    text-align: left;
}

tbody tr:nth-child(even) {
    background-color: #f9f9f9;
}