body {
    font-family: Arial, sans-serif;
    margin: 20px;
}

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

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

th {
    background-color: #f2f2f2;
}

tr:nth-child(even) {
    background-color: #f2f2f2;
}

form {
    margin-bottom: 20px;
}

input[type="text"], select {
    padding: 8px;
    border: 1px solid #ddd;
    border-bottom: 2px solid #ddd;
    width: 100%;
}

input[type="submit"] {
    background-color: #4CAF50;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

input[type="submit"]:hover {
    background-color: #45a049;
}