body {
	font-family: 'Work Sans', sans-serif;
	margin: 0;
	padding: 0;
  }

  header {
	height: 50vh;
	background-image: url('background.png');
	background-size: cover;
	background-position: center;
	color: #fff;
	padding: 20px;
  }

  header h1 {
	margin: 0;
  }

  h1, h2, h3 {
	font-family: 'Playfair Display', serif;
	font-weight: 700;

  }

  main {
	display: flex;
	flex-direction: row;
	justify-content: space-between;
	margin: 50px;
  }

  .content {
	flex-basis: 70%;
  }

  .content h2 {
	font-size: 36px;
	margin-bottom: 20px;
  }

  .content p {
	font-size: 20px;
	line-height: 1.5;
	margin-bottom: 40px;
  }

  .ads {
	display: flex;
	flex-basis: 30%;
	flex-direction: column;
  }

  .ad-slot {
	background-color: #eee;
	margin-bottom: 20px;
	padding: 10px;
	text-align: center;
	font-family: 'Helvetica Neue', sans-serif;
	font-size: 18px;
  }

  .card {
	display: block;
	border: 2px dashed gray;
	border-radius: 10px;
	padding: 10px;
	padding-left: 20px;
	padding-bottom: 0;
  }
  .node {
	cursor: pointer;
  }

  .node circle {
	fill: #fff;
	stroke: steelblue;
	stroke-width: 2px;
  }

  .node text {
	font: 12px sans-serif;
	pointer-events: none;
	text-anchor: middle;
  }

  .link {
	fill: none;
	stroke: #ccc;
	stroke-width: 1.5px;
  }

  /* The sidebar menu */
  .sidenav {
    height: 100%; /* Full-height: remove this if you want "auto" height */
    width: 300px; /* Set the width of the sidebar */
    position: fixed; /* Fixed Sidebar (stay in place on scroll) */
    z-index: 1; /* Stay on top */
    top: 0; /* Stay at the top */
    left: 0;
    background-color: #111; /* Black */
    overflow-x: hidden; /* Disable horizontal scroll */
    padding-top: 20px;
  }

  /* The navigation menu links */
  .sidenav a {
    padding: 6px 8px 6px 16px;
    text-decoration: none;
    font-size: 25px;
    color: #818181;
    display: block;
  }

  /* When you mouse over the navigation links, change their color */
  .sidenav a:hover {
    color: #f1f1f1;
  }

  .main {
    margin-left: 330px; /* Same as the width of the sidebar */
    padding: 0px 10px;
  }

  /* On smaller screens, where height is less than 450px, change the style of the sidebar (less padding and a smaller font size) */
  @media screen and (max-height: 450px) {
    .sidenav {padding-top: 15px;}
    .sidenav a {font-size: 18px;}
  }



  h2.index {
    color: white;
    padding: 10px;
    padding-left: 15px;
  }

  a.index {
    color: lightgray;
    font-size: 1em;
  }

  a.index:hover {
    text-decoration: underline;
  }

  .sidenav .container {
    margin-bottom: 250px;

  }