html, body {
  margin: 0;
  padding: 0;
  height: 100vh;
  width: 100vw;
  overflow: hidden; /* Stops ugly double scrollbars from appearing */
}


body {
  background-color: darkgreen;
  color: black;
  font-family: Verdana;
  display: flex;
  flex-direction: column; /* Stacks the nav bar on top of the iframe */
}

.main_links {
  display: flex;
  justify-content: center;
  align-items: center;
}

.main_iframe {
  flex-grow: 1;
  width: 100%;
  border: none; /* Removes the default ugly gray border */
}