body {
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
    color: #333;
    margin: 0;
    padding: 0;
}

header {
    background-color: #333;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
}

header img {
    max-width: 150px;
}

h1 {
    text-align: center;
    margin-bottom: 1rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    background-color: white;
    margin-bottom: 2rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

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

th {
    background-color: #f2f2f2;
    text-transform: uppercase;
    font-weight: bold;
}

input[type="submit"] {
    background-color: #333;
    color: white;
    border: none;
    padding: 8px 16px;
    cursor: pointer;
    transition: background-color 0.3s;
}

input[type="submit"]:hover {
    background-color: #555;
}