css
/* style.css */
body {
  background-image: linear-gradient(135deg, #FFD700, #FF69B4);
  color: #fff;
  background-color: #fff;
  background-blend-mode: normal;
}

h1 {
  font-size: 24px;
  line-height: 24px;
  margin: 0;
  padding: 4px 0 8px;
  font-family: "Arial Black", Arial, sans-serif;
  text-align: center;
}

h2 {
  font-size: 18px;
  margin: 0 0 12px 0;
  padding: 4px 0 8px 0;
  font-family: "Arial Black", Arial, sans-serif;
  border-bottom: 4px solid #000;
}

h3 {
  font-size: 16px;
  margin: 0 0 12px 0;
  padding: 4px 0 8px 0;
  font-family: "Arial Black", Arial, sans-serif;
  border-bottom: 4px solid #000;
}

p {
  font-family: "Arial Black", Arial, sans-serif;
  font-size: 16px;
  line-height: 24px;
  margin: 12px 0;
  padding: 0;
}

a {
  text-decoration: none;
  color: #fff;
  background-color: #000;
  border: 4px solid #fff;
  padding: 8px 16px;
  font-size: 16px;
  font-family: "Arial Black", Arial, sans-serif;
  text-align: center;
  text-transform: uppercase;
  border-radius: 8px 16px;
  box-shadow: 0 0 0 8px #000;
}

a:hover {
  background-color: #FF69B4;
  color: #000;
  border: 4px solid #FF69B4;
  box-shadow: 0 0 0 8px #FF69B4;
}

body > * + * {
  margin: 0 0 0 0;
  padding: 0 0 0 0;
}