opt-cc/static/src/app/app.component.css

ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
}

li {
  display: inline;
}

.content {
  padding-left: 15px;
  padding-right: 15px;
}

.right {
  float: right;
  width: 300px;
}

.left {
  float: left;
  width: calc(100% - 400px);
}

.scrollable-menu {
  height: auto;
  max-height: 200px;
  overflow-x: hidden;
}