.card {
    background: #ffffff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    margin-bottom: 20px;
    font-family: Arial, sans-serif;
}

.btn {
    background-color: #3498db;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
}

.btn:hover {
    background-color: #2980b9;
}

table {
    margin-top: 10px;
    border-radius: 8px;
    overflow: hidden;
}

th {
    text-transform: uppercase;
    font-size: 0.8em;
    letter-spacing: 1px;
}