body {
  position: relative;
}
#section_nav {
  position: fixed;
  top: 40%;
  float: right;
  right: 50px;
  z-index: 1;
}
.dot-nav:active {
  color: var(--brand-green);
}

:target:before {
  display: block;
  content: " ";
  margin-top: -72px;
  height: 72px;
  visibility: hidden;
}