css
/* style.css */

body {
  background: linear-gradient(-45deg, #FF69B4, #FFC5CA);
  font-family: 'Open Sans', sans-serif;
  font-size: 24px;
  font-weight: bold;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  color: #FFFFFF;
  text-align: center;
}

h1 {
  margin: 0;
  padding: 20px 0 0 0;
  font-size: 36px;
  text-shadow: 0 0 0 #000000;
  border-bottom: 4px solid #000000;
  border-top: 4px solid #000000;
  background: #FFFFFF;
  color: #000000;
}

h2 {
  margin: 0;
  padding: 0 0 0 0;
  font-size: 24px;
  text-shadow: 0 0 0 #000000;
  border-bottom: 4px solid #000000;
  border-top: 4px solid #000000;
  background: #FFFFFF;
  color: #000000;
  width: 100%;
}

h3 {
  margin: 0;
  padding: 0 0 0 0;
  font-size: 18px;
  text-shadow: 0 0 0 #000000;
  border-bottom: 4px solid #000000;
  border-top: 4px solid #000000;
  background: #FFFFFF;
  color: #000000;
  width: 80%;
}

a {
  text-decoration: none;
  color: #000000;
  background: #FFFFFF;
  padding: 8px 12px;
  border: 1px solid #000000;
  border-radius: 4px;
  text-align: center;
}

/* Subpage styles */

.subpage {
  margin: 0 0 20px 0;
  background: #C9E4CA;
  color: #000000;
  border: 2px solid #000000;
  padding: 10px 20px 0 0;
  border-top: 4px solid #000000;
}

.subpage h2 {
  font-size: 24px;
  text-shadow: 0 0 0 #000000;
  border-bottom: 4px solid #000000;
  border-top: 4px solid #000000;
  background: #FFFFFF;
  color: #000000;
  margin: 0 0 0 0;
  padding: 0 0 0 0;
}

.subpage a {
  text-decoration: none;
  color: #000000;
  background: #FFFFFF;
  padding: 8px 12px;
  border: 1px solid #000000;
  border-radius: 4px;
  text-align: center;
}