.global-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: #111;
  color: #fff;
  display: flex;
  justify-content: space-between;
  padding: 10px 20px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
  z-index: 9999;
}

.global-nav a {
  color: #fff;
  text-decoration: none;
  margin-right: 20px;
  font-weight: 500;
}

.global-nav a:hover {
  text-decoration: underline;
}