Full Width Banner

HTML

<section id="header-blue">
      <div id="header-wrap" class="clearfix">
        <div class="header-left"><p>1</p></div>
        <div class="header-center"><p>2</p><p>2</p><p>2</p><p>2</p></div>
        <div class="header-right"><p>3</p><p>3</p></div>
      </div>
    </section>
    
        <section id="header-blue">
      <div id="header-wrap" class="clearfix">
        <div class="header-left"><p>1</p></div>
        <div class="header-center"><p>2</p><p>2</p><p>2</p><p>2</p></div>
      </div>
    </section>

SCSS

$primary-blue:    #3498DB;

html, html a {
  font-size: 10px;
 }

#header-blue {
  width: 100%;
  display: table;
  vertical-align: middle;
  margin-bottom: 50px;
  height: auto;
  background-color: $primary-blue;
  color: #fff;

  #header-wrap {
    text-align: center;
    display: table-row;
    border: 1px solid green;
    margin: 0 auto;
    padding: 1rem 2.5rem;
    position: relative;
    vertical-align: middle;
    div {
      display: inline-block;
      vertical-align: middle;
    }
  }
  .header {
    &-left,
    &-right,
    &-center {
      vertical-align: middle;
      display: table-cell;
      border: 1px solid red;
      width: 100px;
    }
    &-center {
      margin: 0 auto !important;
    }
    &-left {
      float: left;
      white-space: nowrap;
    }
    &-right {
      float: right;
      white-space: nowrap;
    }
  }
}

.clearfix:after {
   content: " ";
   visibility: hidden;
   display: block;
   height: 0;
   clear: both;
}