a {
  text-decoration: none;
  color: black;
  text-align: center;
  padding: 20px;
}

.star {
  width: 100px;
  height: 100px;
  background: black;
  clip-path: polygon(
    50% 0%,
    61% 35%,
    98% 35%,
    68% 57%,
    79% 91%,
    50% 70%,
    21% 91%,
    32% 57%,
    2% 35%,
    39% 35%
  );
}

header {
  background-color: rgb(232, 232, 232);
}
main {
  background-color: rgb(232, 232, 232);
}
footer {
  background-color: rgb(232, 232, 232);
  padding: 40px;
  background-color: black;
  color: white;
}
a-footer {
  text-decoration: none;
}