html, body {
	margin: 0;
	padding: 0;
	font-family: Arial, Helvetica Neue, Helvetica, sans-serif;
  }

  #calendar {
	max-width: 1100px;
	margin: 40px auto;
  }

  /*
  i wish this required CSS was better documented :(
  https://github.com/FezVrasta/popper.js/issues/674
  derived from this CSS on this page: https://popper.js.org/tooltip-examples.html
  */

  .popper,
  .tooltip {
	position: absolute;
	z-index: 9999;
	background: #FFC107;
	color: black;
	width: 150px;
	border-radius: 3px;
	box-shadow: 0 0 2px rgba(0,0,0,0.5);
	padding: 10px;
	text-align: left;
	font-size: 14px;
  }
  .style5 .tooltip {
	background: #1E252B;
	color: #FFFFFF;
	max-width: 200px;
	width: auto;
	font-size: .8rem;
	padding: .5em 1em;
  }
  .popper .popper__arrow,
  .tooltip .tooltip-arrow {
	width: 0;
	height: 0;
	border-style: solid;
	position: absolute;
	margin: 5px;
  }

  .tooltip .tooltip-arrow,
  .popper .popper__arrow {
	border-color: #FFC107;
  }
  .style5 .tooltip .tooltip-arrow {
	border-color: #1E252B;
  }
  .popper[x-placement^="top"],
  .tooltip[x-placement^="top"] {
	margin-bottom: 5px;
  }
  .popper[x-placement^="top"] .popper__arrow,
  .tooltip[x-placement^="top"] .tooltip-arrow {
	border-width: 5px 5px 0 5px;
	border-left-color: transparent;
	border-right-color: transparent;
	border-bottom-color: transparent;
	bottom: -5px;
	left: calc(50% - 5px);
	margin-top: 0;
	margin-bottom: 0;
  }
  .popper[x-placement^="bottom"],
  .tooltip[x-placement^="bottom"] {
	margin-top: 5px;
  }
  .tooltip[x-placement^="bottom"] .tooltip-arrow,
  .popper[x-placement^="bottom"] .popper__arrow {
	border-width: 0 5px 5px 5px;
	border-left-color: transparent;
	border-right-color: transparent;
	border-top-color: transparent;
	top: -5px;
	left: calc(50% - 5px);
	margin-top: 0;
	margin-bottom: 0;
  }
  .tooltip[x-placement^="right"],
  .popper[x-placement^="right"] {
	margin-left: 5px;
  }
  .popper[x-placement^="right"] .popper__arrow,
  .tooltip[x-placement^="right"] .tooltip-arrow {
	border-width: 5px 5px 5px 0;
	border-left-color: transparent;
	border-top-color: transparent;
	border-bottom-color: transparent;
	left: -5px;
	top: calc(50% - 5px);
	margin-left: 0;
	margin-right: 0;
  }
  .popper[x-placement^="left"],
  .tooltip[x-placement^="left"] {
	margin-right: 5px;
  }
  .popper[x-placement^="left"] .popper__arrow,
  .tooltip[x-placement^="left"] .tooltip-arrow {
	border-width: 5px 0 5px 5px;
	border-top-color: transparent;
	border-right-color: transparent;
	border-bottom-color: transparent;
	right: -5px;
	top: calc(50% - 5px);
	margin-left: 0;
	margin-right: 0;
  }