style.css

body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
}

.container {
    width: 80%;
    margin: 0 auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

header {
    text-align: center;
    padding: 10px 0;
    background-color: #4CAF50;
    color: white;
    border-radius: 8px 8px 0 0;
}

h1 {
    margin: 0;
}

h2 {
    color: #333;
    margin-bottom: 10px;
}

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

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

table th {
    background-color: #4CAF50;
    color: white;
}

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

label {
    display: block;
    margin: 10px 0 5px;
    font-weight: bold;
}

input[type="text"], input[type="number"], select {
    width: 100%;
    padding: 8px;
    margin-bottom: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

button {
    padding: 10px 15px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

button:hover {
    background-color: #45a049;
}

section {
    margin-bottom: 30px;
}