.top-nav {
  position: fixed;
  top: 0;
  width: 100%;
  height: 60px;

  background: var(--background_color, #000);
  color: var(--text_color, #fff);

  display: flex;
  justify-content: space-between;
  align-items: center;

  padding: 0 16px;
}

.top-nav a {
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}