css
body {
  font-family: Arial, sans-serif;
  background: linear-gradient(-45deg, #FFC0C0 0%, #FFC000 100%);
  color: black;
  margin: 0px;
  padding: 0px;
  font-size: 16px;
  box-sizing: border-box;
  height: 100vh;
  width: 100vw;
  border: 4px solid #FF0000;
  box-shadow: 4px 4px 4px rgba(255, 0, 0, 0.5);
}

a {
  text-decoration: none;
  color: #0000FF;
  font-weight: bold;
  border-bottom: 4px solid #0000FF;
  text-shadow: 0px 1px 0px #000000;
}

h1 {
  font-size: 24px;
  color: #FF0000;
  border-bottom: 4px solid #FF0000;
  text-shadow: 0px 1px 0px #000000;
  margin-bottom: 16px;
}

h2 {
  font-size: 18px;
  color: #00FF00;
  border-bottom: 4px solid #00FF00;
  text-shadow: 0px 1px 0px #000000;
  margin-bottom: 8px;
}

h3 {
  font-size: 14px;
  color: #0000FF;
  border-bottom: 4px solid #0000FF;
  text-shadow: 0px 1px 0px #000000;
  margin-bottom: 4px;
}

p {
  font-size: 12px;
  color: #000000;
  margin-bottom: 16px;
  line-height: 20px;
}

code {
  background: #FF00FF;
  color: #000000;
  padding: 4px 8px 4px 8px;
  border: 1px solid #000000;
  border-radius: 4px;
  font-size: 12px;
  white-space: pre;
}

pre {
  background: #00FF00;
  color: #000000;
  padding: 4px 8px 4px 8px;
  border: 1px solid #000000;
  border-radius: 4px;
  font-size: 12px;
  font-family: monospace;
  white-space: pre-wrap;
}

table {
  border-collapse: collapse;
  border: 1px solid #000000;
  border-bottom: 4px solid #000000;
  width: 100%;
  table-layout: fixed;
  font-size: 12px;
  font-family: monospace;
  white-space: pre;
}

img {
  border: 4px solid #FF0000;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background-size: cover;
}

a img {
  border: 0px solid #000000;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background-size: cover;
}

code a {
  background: #FF00FF;
  color: #000000;
  padding: 4px 8px 4px 8px;
  border: 1px solid #000000;
  border-radius: 4px;
  font-size: 12px;
  white-space: pre;
}

pre code {
  background: #00FF00;
  color: #000000;
  padding: 4px 8px 4px 8px;
  border: 1px solid #000000;
  border-radius: 4px;
  font-size: 12px;
  white-space: pre;
}