• CC accomplishes this via site CSS. Specifically, MediaWiki:Badges-blogs.css. There are a lot of tweaks in that CSS but the one you are probably mainly concerned with is this:

      .ns-500 .WikiaArticle h2 {
          border-bottom: 0;
          background-image: -webkit-gradient(linear, left top, right top, from(#dfec24), to(#dfec24));
          background-image: -webkit-linear-gradient(left, #dfec24, #dfec24);
          background-image: -o-linear-gradient(left, #dfec24, #dfec24);
          background-image: linear-gradient(90deg, #dfec24, #dfec24);
          background-position: 0 0.9em;
          background-repeat: repeat-x;
          background-size: 1px 4px;
          -webkit-box-decoration-break: clone;
          box-decoration-break: clone;
          color: #002a32;
          font-size: 28px;
          font-weight: 400;
          line-height: 1.2;
          padding: 0 6px;
          text-transform: uppercase
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    • Thanks!
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    • A FANDOM user
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