header {
  width: 100%;
  height: 50px;
  position: fixed;
  top: 0;
  left: 0;
  background-color: var(--background-color-secondary);
  align-items: center;
  display: flex;
}

a.nav {
    text-decoration: none;
    background-color: #3d3c3f;
    color: white;
    font-family: 'Poetsen One', sans-serif;
    padding: 0 10px;
    height: 100%;
    text-align: center;
    display: flex;
    align-items: center;
}

a.here {
    border-bottom: 2px white solid;
}

body {
    padding-top: 50px;
}