body {
  background: skyblue;
}
p {
  color: palegoldenrod;
  font-size: 20px;
  text-align: center;

}
h1{
  font-weight: bold;
  font-size: 36px;
  color: lawngreen;
}
img {
  display: block;
  margin-left: auto;
  margin-right: auto;
}
a:link {
  color: red;
}

/* visited link */
a:visited {
  color: green;
}

/* mouse over link */
a:hover {
  color: hotpink;
}

/* selected link */
a:active {
  color: blue;
}
img {
  display: block;
  margin-left: auto;
  margin-right: auto;
}