css
body {
  background-color: #f2f2f2;
  font-family: "Arial, sans-serif";
  font-size: 18px;
}

body:after {
  background-image: linear-gradient(to bottom, #ff00ff, #00ff00);
  background-size: 100px 100px;
  background-position: bottom;
  background-repeat: no-repeat;
  display: block;
  position: relative;
  z-index: 1;
}

h1 {
  color: #ff0000;
  font-weight: bold;
  text-shadow: 0px 1px 5px rgba(0, 0, 0, 0.5);
  border-top: 4px solid #000000;
  border-bottom: 4px solid #000000;
  padding: 5px 10px;
  background-color: #000000;
  border-radius: 0px 0px 4px 4px;
  box-shadow: 0px 4px 4px rgba(0, 0, 0, 0.5);
}

h2 {
  color: #00ff00;
  font-weight: bold;
  text-shadow: 0px 1px 5px rgba(0, 0, 0, 0.5);
  border-top: 4px solid #000000;
  border-bottom: 4px solid #000000;
  padding: 5px 10px;
  background-color: #000000;
  border-radius: 0px 0px 4px 4px;
  box-shadow: 0px 4px 4px rgba(0, 0, 0, 0.5);
}

body p {
  margin-bottom: 20px;
  line-height: 1.2;
  color: #000000;
}

a {
  color: #000000;
  text-decoration: none;
  font-weight: bold;
  background-color: #00ff00;
  border: 2px solid #000000;
  border-radius: 4px 4px 4px 4px;
  padding: 4px 10px;
  text-shadow: 0px 1px 5px rgba(0, 0, 0, 0.5);
  background: linear-gradient(to right, #ff0000, #00ff00);
  box-shadow: 0px 4px 4px rgba(0, 0, 0, 0.5);
}