body {
    font-family: Arial, sans-serif;
    margin: 40px auto;
    max-width: 600px;
    padding: 20px;
    border: 2px solid #ccc;
    border-radius: 8px;
}

h1 {
    text-align: center;
}

table {
    width: 100%;
    margin: 20px 0;
    border-collapse: collapse;
}

th, td {
    padding: 8px;
    border: 1px solid #aaa;
    text-align: center;
}

button, input {
    padding: 8px;
    margin-top: 5px;
}
a{
    text-decoration: none;
}