css
/* Styles for the Atomic Bag */

body {
  background-image: linear-gradient(to bottom, #ff0000 0, #00ff00 50%, #ff00ff 100%);
  background-size: 100% 50px;
  background-position: 0 0;
  background-repeat: repeat-x;
  background-attachment: fixed;
  background-clip: border-box;
  font-family: "Bangers", cursive;
  font-size: 24px;
  font-weight: bold;
  line-height: 1.5;
  color: #000000;
  text-align: center;
  text-transform: uppercase;
  border: 4px solid #000000;
  box-shadow: 0px 0px 0px 4px #000000;
  padding: 0;
  margin: 0;
  width: 100%;
  height: 100vh;
}

body * {
  transition: none;
}

h1 {
  font-size: 48px;
  font-weight: bold;
  text-align: center;
  color: #ff0000;
  border: 4px solid #000000;
  background-image: linear-gradient(to bottom, #ff00ff 0, #00ff00 50%, #ff0000 100%);
  background-size: 100% 50px;
  background-position: 0 0;
  background-repeat: no-repeat;
  border-bottom: none;
  border-top: 4px solid #000000;
  padding: 0.2em 0;
  margin: 0;
  width: 100%;
}

p {
  font-size: 18px;
  font-weight: normal;
  text-align: center;
  color: #000000;
  border: 1px solid #000000;
  border-bottom: none;
  border-top: 4px solid #000000;
  padding: 0.1em 0.1em;
  margin: 0;
  width: 80%;
  margin: 1em 0;
  display: inline-block;
  text-transform: none;
}

a {
  text-decoration: none;
  color: #00ff00;
  border: 1px solid #000000;
  background-image: linear-gradient(to bottom, #00ff00 0, #ff00ff 50%, #ff0000 100%);
  background-size: 100% 50px;
  background-position: 0 0;
  background-repeat: no-repeat;
  border-bottom: none;
  border-top: 4px solid #000000;
  padding: 0.2em 0;
  margin: 0;
  width: 100%;
  transition: none;
}

a:hover {
  background-image: linear-gradient(to bottom, #00ff00 0, #ff00ff 50%, #ff0000 100%);
  background-size: 100% 50px;
  background-position: 0 0;
  background-repeat: no-repeat;
  border-bottom: none;
  border-top: 4px solid #000000;
  padding: 0.2em 0;
  margin: 0;
  width: 100%;
  transition: none;
}