Centering Elements From http://codepen.io/terrymun/pen/HhEqc

centering-elements.sass

@import url(http://fonts.googleapis.com/css?family=PT+Sans:400,700);
$sans-serifs: "Helvetica Neue", Helvetica, Arial, sans-serif;
.pseudo {
  content: '';
  display: block;
  position: absolute;
}

body {
  color: #333;
  line-height: 1.5em;
  padding-top: 2em;
  font-family: "PT Sans", $sans-serifs;
}
header {
  padding: 0 8.33333%;
  h1 {
    padding-bottom: 1em;
    margin-bottom: 1em;
    letter-spacing: 5px;
    position: relative;
    text-align: center;
    text-transform: uppercase;
    &::after {
      @extend .pseudo;
      border-bottom: 1px solid #ccc;
      bottom: 0;
      left: 37.5%;
      width: 25%;
    }
    &::before {
      @extend .pseudo;
      background-color: #fff;
      content: '</>';
      color: #ccc;
      display: inline-block;
      font-weight: normal;
      font-size: .5em;
      letter-spacing: 2px;
      line-height: 1em;
      padding: 0 .25em;
      left: 50%;
      bottom: -.5em;
      text-align: center;
      transform: translateX(-50%);
      z-index: 2;
    }
  }
}
section {
  div {
    margin: 0 auto;
    padding: 2em 0;
    width: 66.66666%;
    &.block span {
      display: block;
      text-align: center;
    }
    &.inline-block span {
      background-color: #1A7B30;
      display: inline-block;
      position: relative;
      left: 50%;
      transform: translateX(-50%);
    }
    &.inline span {
      display: inline;
    }
  }
  
  span {
    background-color: #0076A3;
    border: none;
    border-radius: 1.5em;
    color: #eee;
    font-size: .8em;
    letter-spacing: 2px;
    line-height: 3em;
    padding: 0 2em;
    text-transform: uppercase;
  }
  
  p {
    margin: 1em 0 0 0;
  }
  .inline p {
    margin: 0;
  }
  
  .break {
    margin: 0 8.33333%;
    width: 83.33333%;
    p {
      
    }
  }
  
  code {
    background-color: #eee;
    padding: 0 .5em;
    color: #333;
  }
  pre {
    background-color: #eee;
    padding: 1em;
    code {
      background: none;
      padding: 0;
      font-size: .8em;
    }
  }
}