.container {
  margin-top: 5rem;
}
.container .legend {
  display: inline-block;
  width: 115px;
  vertical-align: top;
  margin-left: -15px;
}
.container .legend ul {
  list-style-type: none;
  padding: 0;
  margin: 0;
}
.container .legend ul li {
  margin: 5px 0;
  font-size: 20px;
}
.container .legend ul li a {
  width: 100%;
  display: block;
  padding: 5px 5px 5px 10px;
}
.container .legend ul li a:hover {
  background-color: #eee;
  border-top-left-radius: 5px;
  border-bottom-left-radius: 5px;
}
.container .notes {
  width: calc(100% - 100px);
  display: inline-block;
  background: white;
  border-left: 3px solid #aaa;
  padding-left: 10px;
}
.container .notes h1 {
  font-size: 30px;
  border-top: 1px solid #aaa;
  padding: 2rem 0;
}
.container .notes h1:first-of-type {
  border-top: none;
}