body {
  font-family: Arial;
  padding: 20px;
  background: #f4f6f8;
}

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

.card {
  background: white;
  padding: 20px;
  border-radius: 10px;
  flex: 1;
  text-align: center;
  font-size: 18px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

table {
  width: 100%;
  background: white;
  border-collapse: collapse;
  margin-top: 20px;
}

th, td {
  padding: 10px;
  border: 1px solid #ddd;
}

button {
  padding: 6px 10px;
  cursor: pointer;
}