header {
  margin: 0;
  width: 100%;
  padding: 20px;
  display: flex;
  align-items: center;
  background-color: lightgreen;
  justify-content: space-between;
}

.fill {
  background-color: lightskyblue;
  border-radius: 7px;
}

.clear {
  background-color: rgb(236, 135, 250);
  border-radius: 7px;
}

.weight {
  border-radius: 10px;
}

.color-block {
  padding: 10px;
}