body {
  font-family: Arial, sans-serif;
  background-color: #f0f0f0;
}

#trend-container {
  width: 80%;
  margin: 40px auto;
  display: flex;
  flex-wrap: wrap;
}

#trend-container > div {
  background-color: #fff;
  padding: 20px;
  border: 1px solid #ccc;
  margin: 20px;
  width: calc(33.33% - 20px);
}

#notesOverlay {
  position: fixed;
  top: 10%;
  left: 50%;
  transform: translateX(-50%);
  background: #fff;
  padding: 20px;
  border: 1px solid #ccc;
  z-index: 1000;
}