header[role="banner"] {
  #logo-main {
    display: block;
    margin: 20px auto;
  }
}

#navbar-primary.navbar-default {
  background: transparent;
  border: none;
  .navbar-nav { 
    width: 100%;
    text-align: center;
    > li {
      display: inline-block;
      float: none;
      > a {
        padding-left: 30px;
        padding-right: 30px;
        }
    }
  }
}