body {
  font-family: 'VT323', monospace;
  background-color: #000;
  color: MediumSpringGreen;
  margin: 40px auto;
  padding: 0 10px;
  max-width: 650px;
  line-height: 1.6;
}

h1 ~ img {
  border-radius: 50%;
  opacity: 0.35;
  filter: hue-rotate(90deg);
  position: absolute;
  top: 5%;
  right: 5%;
}

h1, h2 {
  line-height: 1.2;
}

a {
  color: MediumSeaGreen;
  text-decoration: underline;
}

a:hover {
  color: LightGreen;
}

hr ~ a {
  display: inline-block;
  text-decoration: none;
}

h1, h2, p, pre {
  animation-duration: 15s;
  animation-name: flicker;
  animation-iteration-count: infinite;
}

pre {
  overflow-x: auto;
}

dd > p:first-child {
  margin-top: 0;
}

@keyframes flicker {
  0% {
    filter: blur(0px);
  }

  98% {
    filter: blur(0.1px);
  }

  99% {
    filter: blur(0.2px);
  }

  100% {
    filter: blur(0.3px);
  }
}

@media screen and (max-width: 640px) {
  body {
    margin: 10px auto;
    max-width: 90%;
  }
}

@media screen and (max-width: 740px) {
  dt {
    text-align: center;
  }

  dd {
    margin: 10px auto;
  }
}