html,
body,
#container,
#canvas,
#canvas > div {
	font-family: sans-serif;
	height: 100%;
	margin: 0;
}

.bottom-buttons {
  bottom: 20px;
  left: 20px;
}

.bottom-buttons a:hover,
.ojs-buttons-active:hover {
  background-color: var(--color-button-hover);
  transition: background-color 0.2s linear;
}

.bottom-buttons a.active {
  opacity: 1;
  box-shadow: 0 2px 2px 0 rgba(0, 0, 0, 0.1);
}