hr {
  margin-top: 30px;
  margin-bottom: 20px;
}

/* Post navigation links */
.post_navi {
  display: flex;
}

.post_navi-label {
  font-size: 0.8em;
  opacity: 0.5;
}

.post_navi .post_navi-item {
  padding: 0 2.2em;
  width: 50%;
  position: relative;
  color: inherit !important;
}

.post_navi .nav_prev {
  text-align: left;
}

.post_navi .nav_next {
  text-align: right;
}

.post_navi .nav_prev .post_navi-arrow {
  left: 0;
}

.post_navi .nav_next .post_navi-arrow {
  right: 0;
}

.post_navi .post_navi-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 2.5em;
  opacity: 0.3;
}

h1 {
  text-indent: -12px;
}

h2 {
  text-indent: -10px;
}

h3 {
  text-indent: -8px;
}

h4 {
  text-indent: -6px;
}

h5 {
  text-indent: -4px;
}

h6 {
  text-indent: -2px;
}

h1 .octicon, h2 .octicon, h3 .octicon, h4 .octicon, h5 .octicon, h6 .octicon  {
  visibility: hidden;
}

h1:hover .octicon, h2:hover .octicon, h3:hover .octicon, h4:hover .octicon, h5:hover .octicon, h6:hover .octicon {
  visibility: visible;
}

.octicon {
  fill: currentColor;
  padding: 0;
  margin-left: -16px;
  vertical-align: middle;
}