body {
    font-family: Arial, sans-serif;
    background-color: #f0f2f5;
    margin: 0;
    padding: 20px;
}
.container {
    max-width: 800px;
    margin: 0 auto;
}
h2 {
    text-align: center;
    color: #111;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 30px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    background: #fff;
}
th {
    background-color: #0000ff;
    color: white;
    padding: 12px;
    text-align: left;
}
td {
    padding: 12px;
    border-bottom: 1px solid #ddd;
}
tbody tr:nth-child(even) {
    background-color: #f2f2f2;
}
.form-card {
    background: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    max-width: 500px;
    margin: 0 auto;
}
.form-card h3 {
    text-align: center;
    margin-top: 0;
}
.form-group {
    margin-bottom: 15px;
}
.form-group label {
    display: block;
    font-weight: bold;
    margin-bottom: 5px;
    font-size: 14px;
}
.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}
.btn-submit {
    width: 100%;
    padding: 12px;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    font-weight: bold;
}
.btn-submit:hover {
    background-color: #2980b9;
}