body {
  font-family: Arial, sans-serif;
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
}
h1 {
  text-align: center;
}
svg {
  max-width: 100%;
  height: auto;
  touch-action: none;  /* Prevents default touch actions */
}
.handle {
  cursor: pointer;
  fill: steelblue;
  touch-action: none;  /* Prevents default touch actions */
}
.area {
  fill: lightsteelblue;
  stroke: steelblue;
  stroke-width: 2;
}
.cdf-line {
  fill: none;
  stroke: red;
  stroke-width: 2;
}
.inputs, .distribution-section {
  display: flex;
  justify-content: space-between;
  margin-top: 20px;
  flex-wrap: wrap;
}
input, select {
  width: 80px;
  margin-right: 10px;
}
button {
  margin-left: 10px;
  padding: 8px 16px;
  background-color: #4CAF50;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}
button:hover {
  background-color: #45a049;
}

.undo-section {
  margin-top: 20px;
  text-align: center;
}

#undo-button {
  background-color: #f44336;
}

#undo-button:hover {
  background-color: #d32f2f;
}