header {
  overflow: hidden;
  width: 100%;
  max-width: 100vw;
  height: 60px;
  background-color: #C94B42;
  position: fixed;
  top: 0;
  z-index: 101; }
  header a {
    color: #fff; }
  header.locked {
    transform: translateY(0);
    overflow: visible; }