body {
  font-family: Arial, sans-serif;
  background-color: #f4f7fa;
  padding: 20px;
}

h1 {
  text-align: center;
  margin-bottom: 20px;
}

.filters {
  text-align: center;
  margin-bottom: 20px;
}

.filters label {
  margin: 0 5px;
}

.container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.card {
  background-color: #ffffff;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  padding: 20px;
  margin-bottom: 20px;
  width: 48%;
}

h2 {
  font-size: 1.5rem;
  margin-bottom: 20px;
}

canvas {
  max-width: 100%;
  height: auto;
}