<a class="HatenaShareButton" href="http://b.hatena.ne.jp/add?mode=confirm&url=https://www.ebiebievidence.com&title=ebiebievidenceのお部屋" target="_blank">
  B!
</a>
.HatenaShareButton {
  text-align: center;
  text-decoration: none;
  display: block;
  width: 32px;
  height: 32px;
  line-height: 32px;
}

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