body {
  background-color: white;
  background-image: url("bak.jpg");
}
.bold {
  font-weight: bold;
}
a:link {
  color: blue;
  text-decoration: underline;
}
a:visited {
  color: blue;
  text-decoration: underline;
}
a:hover {
  color: red;
  text-decoration: underline;
}