h1 {
        color: darkslateblue;
      }
body {
        font-family: "Courier New", monospace
      }
body {
  max-width: 600px;
  margin: 10 auto;
}
.intro {
  background-color: white;
  color: red;
   border: 4px solid BlueViolet;
  border-radius: 12px;
  padding: 15px;
}
a:hover {
  background-color: gold;
}
body {
  background-color: #D0E4F5;
  background-image: url(https://media.giphy.com/media/v1.Y2lkPWVjZjA1ZTQ3Zzl1dGs5czM5ZHQ0ZGZsb2VlN2N6emVlamxsdzV4ZDY4dG8yZXZzYiZlcD12MV9naWZzX3NlYXJjaCZjdD1n/nLK0utBQcQXag0TYEp/giphy.gif);
  background-repeat: repeat;
  background-size: 80px 80px;
}
h3 {
        color: darkslateblue;
      }
.cat-1 {
  width: 200px;
  height: auto;
}
h4 {
   color: White;
}
h5 {
  color: pink;
}
h4, h5, h6 {
  font-size: 32px;
}