.btn-article-nav {
  display: inline-block;
  padding: 0.6em 1.3em;
  margin: 0.5em 1em;
  font-size: 1.1em;
  font-family: inherit;
  border-radius: 2em;
  border: none;
  background: #0a3a66;
  color: #fff;
  text-decoration: none;
  transition: background 0.2s;
  box-shadow: 0 2px 8px rgba(10,58,102,0.08);
}
.btn-article-nav:hover {
  background: #f7c873;
  color: #0a3a66;
}

.article-nav-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2em;
  margin: 2em 0 1em 0;
}