aperta-principium/Interclip

.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: #000;
  color: #fff;
  padding: 8px;
  z-index: 100;
}

.skip-link:focus {
  top: 0;
}

::selection {
  color: black;
  background: white;
}

input::selection {
  color: white;
  background: #157efb;
}