body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 20px;
    text-align: center;
}
.container {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    max-width: 600px;
    margin: auto;
}
h1 {
    color: #333;
}
form {
    margin-bottom: 20px;
}
input[type="text"] {
    padding: 10px;
    width: 80%;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 16px;
}
button {
    padding: 10px 15px;
    border: none;
    background: #28a745;
    color: white;
    font-size: 16px;
    border-radius: 5px;
    cursor: pointer;
}
button:hover {
    background: #218838;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}
table, th, td {
    border: 1px solid #ddd;
}
th, td {
    padding: 10px;
    text-align: center;
}
th {
    background: #007bff;
    color: white;
}
a {
    text-decoration: none;
    background: #007bff;
    color: white;
    padding: 5px 10px;
    border-radius: 5px;
}
a:hover {
    background: #0056b3;
}