section h2.post_title {
  font-size: 20px;
  margin: 2em 0 0.5em;
}
section h2.post_title + time {
  font-size: 14px;
  margin-bottom: 32px;
  display: block;
}

.post_contents {
  text-align: center;
  background-color: #ffffcf;
}
.post_contents .narrow_section:not(:first-child) {
  margin: 90px auto 0;
}

.pagenation {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
      -ms-flex-pack: center;
          justify-content: center;
}
.pagenation a,
.pagenation span {
  padding: 0.5em 0.8em;
  background-color: #ccc;
}
.pagenation a {
  background-color: var(--point_color);
}