css
@charset "utf-8";

body {
  font-family: "Arial Black", Arial, sans-serif;
  font-size: 14px;
  font-weight: bold;
  background-color: #f7f7f7;
  background-image: linear-gradient(135deg, #f7f7f7 0%, #f5f5f5 100%);
  padding: 0;
  margin: 0;
  border: 4px solid #000;
  box-sizing: border-box;
}

h1 {
  color: #ff0000;
  text-shadow: 0 0 5px #000;
  font-weight: bold;
  font-size: 24px;
  margin-bottom: 1em;
  border-bottom: 4px solid #000;
  padding-bottom: 0.5em;
  background-color: #f0f0f0;
  border-radius: 0 0 4px 0;
  box-shadow: 0 2px 5px #000;
}

h2 {
  color: #000;
  text-shadow: 0 0 5px #000;
  font-weight: bold;
  font-size: 18px;
  margin-top: -1em;
  margin-bottom: 1.5em;
  border-top: 4px solid #000;
  padding-top: 0.5em;
  background-color: #ff0000;
  border-radius: 0 0 4px 0;
  box-shadow: 0 2px 5px #000;
  background-image: linear-gradient(#000, #000 1px, #f7f7f7 1px);
}

h3 {
  color: #000;
  text-shadow: 0 0 5px #000;
  font-weight: bold;
  font-size: 14px;
  margin: 0.5em 0 1em 0;
  border-bottom: 4px solid #000;
  padding-bottom: 0.5em;
  background-color: #f7f7f7;
  border-radius: 4px 4px 0 0;
  box-shadow: 0 2px 5px #000;
}

p {
  color: #000;
  font-family: "Arial Black", Arial, sans-serif;
  font-size: 12px;
  margin: 1em 0;
  padding: 0.5em 0;
  border: 1px solid #000;
  background-color: #f5f5f5;
  background-image: linear-gradient(#000, #000 1px, #f7f7f7 1px);
  box-shadow: 0 2px 5px #000;
}

a {
  color: #000;
  text-decoration: none;
  background-color: #f7f7f7;
  padding: 0.5em 1em;
  border: 1px solid #000;
  border-radius: 0 4px 4px 0;
  font-weight: bold;
  text-shadow: 0 1px 0 #000;
}

a:hover {
  background-color: #f7f7f7;
  text-decoration: none;
  color: #fff;
  border: 1px solid #000;
  border-radius: 0 4px 4px 0;
  font-weight: bold;
  text-shadow: 0 1px 0 #000;
}

#header {
  background-color: #000;
  color: #f7f7f7;
  padding: 1em;
  border-bottom: 1px solid #fff;
  border-top: 4px solid #fff;
  border-radius: 0 0 4px 0;
  box-shadow: 0 2px 5px #000;
}

#header h1 {
  font-size: 18px;
  color: #f7f7f7;
  text-shadow: 0 0 5px #000;
  background-color: #000;
  border-bottom: 1px solid #000;
  padding-bottom: 0.5em;
  margin-bottom: 0;
}

#header a {
  color: #f7f7f7;
  text-decoration: none;
  background-color: #000;
  padding: 0.5em 1em;
  border: 1px solid #000;
  border-radius: 0 4px 4px 0;
  font-weight: bold;
  text-shadow: 0 1px 0 #000;
  background-image: linear-gradient(#000, #000 1px, #f7f7f7 1px);
  background-repeat: no-repeat;
  background-position: 0 -1px;
  background-clip: border;
}