css
body {
  background-color: #ff00ff;
  font-family: 'VT323', sans-serif;
  font-size: 18px;
  line-height: 24px;
  color: #000000;
  margin: 0;
  padding: 0;
  border: 0;
  overflow: hidden;
  -moz-osx-font-styling: none;
  -webkit-font-smoothing: none;
  -ms-font-smoothing: none;
  -o-font-smoothing: none;
}

h1 {
  font-size: 32px;
  line-height: 40px;
  text-align: center;
  color: #000000;
  background-image: linear-gradient(to right, #000000 0 0, #ff0000 100% 0);
  background-size: 20px 20px;
  background-position: 50% 50%;
  -webkit-background-clip: border-box;
  -webkit-text-stroke-color: #000000;
  -webkit-text-stroke-width: 2px;
  text-shadow: 0 0 10px #000000;
  font-family: 'VT323', sans-serif;
  font-weight: bold;
  border-bottom: 4px solid #000000;
  border-top: 4px solid #000000;
  border-left: 4px solid #000000;
  border-right: 4px solid #000000;
  margin: 10px 20px 20px 20px;
  padding: 0;
  background-clip: border;
}

h2 {
  font-size: 24px;
  line-height: 28px;
  color: #ffffff;
  background-image: linear-gradient(to right, #ff0000 0 0, #00ff00 100% 0);
  background-size: 20px 20px;
  background-position: 50% 50%;
  -webkit-background-clip: border-box;
  -webkit-text-stroke-color: #000000;
  -webkit-text-stroke-width: 2px;
  text-shadow: 0 0 10px #000000;
  font-family: 'VT323', sans-serif;
  font-weight: bold;
  border-bottom: 4px solid #000000;
  border-top: 4px solid #000000;
  border-left: 4px solid #000000;
  border-right: 4px solid #000000;
  margin: 10px 20px 20px 20px;
  padding: 0;
  background-clip: border;
}

h3 {
  font-size: 20px;
  line-height: 24px;
  color: #ffffff;
  background-image: linear-gradient(to right, #00ff00 0 0, #ff00ff 100% 0);
  background-size: 20px 20px;
  background-position: 50% 50%;
  -webkit-background-clip: border-box;
  -webkit-text-stroke-color: #000000;
  -webkit-text-stroke-width: 2px;
  text-shadow: 0 0 10px #000000;
  font-family: 'VT323', sans-serif;
  font-weight: bold;
  border-bottom: 4px solid #000000;
  border-top: 4px solid #000000;
  border-left: 4px solid #000000;
  border-right: 4px solid #000000;
  margin: 10px 20px 20px 20px;
  padding: 0;
  background-clip: border;
}