header{
  height: 10rem;
  text-align: center;
}

.header_img{
  padding: 0.7rem;
  display: inline-block;
  width: 8rem;
  height: 8rem;
}

.moon_img{
  object-fit: contain;
}

.header_nav{
  margin: 0px 3rem;
  display: flex;
  justify-content: space-between;
}

.header_archive_nav{
  display: flex;
}

.header_pages_nav{
  display: flex;
}

.nav_link{
  margin: 0rem 0.7rem;
}