css
body {
  background: linear-gradient(to bottom, #ff00ff 0 0, #ffffff 100% 0);
  background-clip: border-box;
  font-family: 'Arial Black', sans-serif;
  color: #000000;
  font-size: 16px;
  line-height: 1.5;
  padding: 0 0 1.5em 0;
  margin: 0 0 1.5em 0;
  border: 0;
  box-sizing: border-box;
  transition: all 0.5s ease-out;
  overflow-y: auto;
}

h1 {
  color: #ff0000;
  font-size: 2.5rem;
  font-weight: bold;
  margin: 0 0 0.25em 0;
  padding: 0.5em 0 0.25em 0;
  border-bottom: 2px solid #000000;
  text-align: center;
  background-image: linear-gradient(to bottom, #ff00ff 0 0, #ff00ff 100% 0);
  -webkit-background-clip: border-box;
  -webkit-transition: background-position 0.5s;
  -webkit-box-sizing: border-box;
  transition: background-position 0.5s;
  background: #ff00ff;
  box-sizing: border-box;
}

h2 {
  color: #00ff00;
  font-size: 1.5rem;
  font-weight: bold;
  margin: 0.5em 0 0 0;
  padding: 0 0.25em 0 0;
  border-bottom: 1px solid #000000;
  text-align: left;
  background-image: linear-gradient(to bottom, #ff00ff 0 0, #ff00ff 100% 0);
  -webkit-background-clip: border-box;
  transition: background-position 0.5s;
  background: #ff00ff;
  box-sizing: border-box;
}

a {
  text-decoration: none;
  color: #000000;
  font-size: 1rem;
  font-weight: bold;
  text-align: left;
  text-transform: capitalize;
  -webkit-transition: color 0.2s;
  transition: color 0.2s;
  background-image: linear-gradient(to bottom, #ff00ff 0 0, #ff00ff 100% 0);
  border-bottom: 1px solid #000000;
  padding: 0 0.25em 0 0;
  background: #ff00ff;
  -webkit-border-clip: border-box;
  box-sizing: border-box;
}

a:hover {
  background: #ff00ff;
  color: #000000;
  text-decoration: none;
  transition: background 0.5s;
  -webkit-transition: background 0.5s;
  border-bottom: 2px solid #000000;
  -webkit-box-sizing: border-box;
  background-image: linear-gradient(to bottom, #ff00ff 0 0, #ff00ff 100% 0);
  -webkit-background-clip: border-box;
  transition: background-position 0.5s;
  background: #ff00ff;
  box-sizing: border-box;
}