body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 20px;
    background: #f5f5f5;
}

header {
    margin-bottom: 30px;
}

.resumo {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.resumo div {
    background: white;
    padding: 20px;
    border-radius: 8px;
    flex: 1;
}

button {
    padding: 12px 20px;
    cursor: pointer;
}