body {
  background-color: lightgreen;
  color: Black;
  font-family: courier;
}

h1, p { text-align: center;
  }

.Froguitar {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 50%;
  border-radius: 50%;
  border: 7px solid black;
}