/* 邪魔なキーワード下線を消す */

a.keyword {

    border: 0 !important;

    text-decoration: none !important;

    pointer-events: none !important;

    cursor: default;

    color: #5A5A5A;

}
.entry-content {
  font-size:24px;
}
.entry-content h3 {
padding: 4px 10px; color: #111; background-color: #f0f0f0; border-left: 8px solid #2d70a4;
}
<script type="text/javascript">
  addEventListener("DOMContentLoaded", function(){
    var a=document.getElementsByClassName("entry-content");
    if(a)
      for(var i=0; i<a.length; i++)
        for(var b=a[i].getElementsByClassName("keyword"); b.length;)
          b[0].outerHTML=b[0].textContent;
  }, !1);
</script>
<script type="text/javascript">// <![CDATA[
addEventListener("DOMContentLoaded",function(){var a=document.getElementsByClassName("entry-content");if(a)for(var i=0;i<a.length;i++)for(var b=a[i].getElementsByClassName("keyword");b.length;)b[0].outerHTML=b[0].textContent},!1);
// ]]></script>