body {
    background-color: gray;
    background-image: url("images/macos_753_desktop_patterns/19688.png");
    color: black;
    font-family: monospace;
}

.sidenav {
  width: 130px;
  position: fixed;
  z-index: 1;
  top: 50px;
  left: 10px;
  background: white;
  overflow-x: hidden;
  padding: 8px 0;
}

.sidenav a {
  padding: 6px 8px 6px 16px;
  color: black;
  display: block;
}

.sidenav a:hover {
  color: #064579;
}

.main {
  width: 800px;
  margin-left: 150px;
  padding: 0px 10px;
}