h1 {
  color: pink;
}
h2 {
  color: lightgreen;
}
body {
  background-color: lightyellow;
}






ul {
  list-style: none;
  display: inline-flex;
}

li {
  margin: 5px;
}

.links-list a {
  background-color: lightgreen;
  color: #fff;
  text-decoration: none;
  padding: 1em 2em;
}

.links-list a:hover {
  color: lightyellow;
  background-color: lightblue;
}


body, html {
  margin: 0;
  padding: 0;
}

.container {
  display: flex;
  flex-direction: row;
  min-height: 80vh;
}

.sidebar {
  width: 20%;
  background-color: #e6fcd4;
  padding: 1rem;
  box-sizing: border-box;
}

.left {
  border-right: 1px solid #ccc;
}

.right {
  border-left: 1px solid #ccc;
}

.content {
  flex-grow: 1;
  padding: 1rem;
  box-sizing: border-box;
}