.container {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

#heatmap {
  width: 100%;
  max-width: 1000px;
}

#palette-mode {
  display: flex;
  margin: 50px 100px;
  align-items: center;
}

#radio-buttons {
  display: flex;
  flex-direction: column;
  margin-left: 50px;
}

#radio-buttons > :first-child {
    margin-bottom: 20px;
}