body {
  background-color: black;
  background-image: url(https://wallpapers.com/images/hd/red-star-1920-x-1080-background-m98z1q4gpeb0tqt7.jpg);
  color: white;
  font-family: Verdana;
}

.container {
  margin: 3px;
  width: 100%;
}

header {
  border: 4px solid #831B1B;
  background-image: url();
  margin: 3px;
  width: 100%;
}

.navbar {
  border: 4px solid #831B1B;
  background-color: #B52C2C;
  margin-top: 0px;
  margin: 3px;
  width: 100%;
  padding: 5px;
  z-index: 3;
  position: sticky;
  top: 0px;
  overflow: auto;
}

.sidebar {
  border: 4px solid #831B1B;
  background-color: #B52C2C;
  width: 20%;
  padding: 5px;
  position: sticky;
  left: 0px;
}

.main-content {
  border: 4px solid #831B1B;
  background-color: #B52C2C;
  width: 77%;
  padding: 5px;
  position: absolute;
  right: 0px;
  font-size: 150%;
}

.divider {
  height: 3px;
  background-color: #831B1B;
}

footer {
  border: 4px solid #831B1B;
  background-color: #B52C2C;
  margin: 3px;
  width: 100%;
  padding: 5px;
}