@keyframes fadeInOpacity{
  0%{
    opacity:0;
  }
  100%{
    opacity:1;
  }
}
.histogram-toolbar{
  justify-content:flex-end;
  border-bottom:solid 1px rgba(119, 119, 119, 0.5);
}
.histogram-toolbar .b-checkbox{
  margin-inline-end:1em;
}