CSS, HTML: Centered h2 Heading

index.html

<div id="tagline">
  <div class="container group">
    <h2 id=""><span id="aeaoofnhgocdbnbeljkmbjdmhbcokfdb-mousedown">Come work with us</span></h2>
  </div><!-- /end container -->
</div>

style.css

#tagline h2 {
  -webkit-font-smoothing: antialiased;
  color: #385675;
  font: bold 40px "proxima-nova";
  margin: 0;
  position: relative;
  text-align: center;
  text-transform: uppercase;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.5);
  z-index: 1;
}

#tagline h2 span {
  background: url(../../../../../../images/marketing/secondary/bg-tagline.png);
  color: #385675;
  padding: 0 20px;
}

#tagline h2:before, #tagline h2:after {
  content: " ";
  left: 0;
  position: absolute;
  top: 50%;
  width: 100%;
  z-index: -1;
  border-bottom: 1px solid #1D628D;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.1);
}