.tool-button {
  position: relative;
  display: inline-block;
  width: 36px;
  max-width: 36px;
  min-width: 36px;
  height: 36px;
  max-height: 36px;
  min-height: 36px;
  border-radius: 5px;
  background: transparent;
  border: none;
  text-decoration: none;
  user-select: none;
  -moz-user-select: none;
  fill: currentColor;
}

.tool-button:hover {
  background: var(--fill-quinary);
  text-decoration: none;
}

.tool-button:active {
  background: var(--fill-quarternary);
  text-decoration: none;
}