body {
  background-image:
    linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3));
    /*url("./gameboy_bg.jpg");*/
  background-repeat: no-repeat;
  background-position: left center;
  background-size: cover;
  background-attachment: fixed;
  font-size: 18px;
}

main {
  max-width: 800px;
  background-color: rgba(255, 255, 255, 0.8);
  min-height: 100%;
  margin-left: auto;
  margin-right: auto;
  margin-top: 10px;
  margin-bottom: 10px;
  padding: 2em;
  min-height: 100%;
  border: 3px solid white;
  display: flow-root;
}

h1 {
  margin-top: 0px;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

@media (max-width: 900px) {
  #bodydiv {
    border-left: 0;
    border-right: 0;
  }
}

footer {
  text-align: right;
  width: fit-content;
  margin-left: auto;
  background-color: rgba(255, 255, 255, 0.9);
  font-size: 0.6em;
  border-top: 3px solid #ccc;
  border-left: 3px solid #ccc;
  padding: 10px;
}

ul:not(.tight) > li {
  margin: 1em 0;
}

ul.tight {
  margin: 1em 0;
}

img {
   max-width: 100%;
}