Centrado en CSS3

<style>
  main {
    width: 100%;
    height: 152px;
    text-align: center;
  }
  main::after {
    content:'';
    display: inline-block;
    height: 100%;
    vertical-align: middle;
  }
  main > span {
    /* display: inline-block;
    vertical-align: middle; */
    background: #b4a078;
    color: white;
    padding: .3em 1em .5em;
    border-radius: 3px;
    box-shadow: 0 0 .5em #b4a078;
  }
</style>

  <main>
    <span>¡Centro, por favor!</span>
  </main>