@media (min-width: 1200px) {
    .wrapper{
      width: 1200px;
      margin: auto;
      }
    }
  @media (min-width: 991px) and (max-width: 1199px){
    .wrapper{
      width: 960px;
      margin: auto;
      }
    }
    @media (min-width: 849px) and (max-width: 990px){
    .wrapper{
      width: 840px;
      margin: auto;
      }
    }
    @media (min-width: 768px) and (max-width: 849px){
    .wrapper{
      width: 760px;
      margin: auto;
      }
    }
    @media (min-width: 768px) {
    body{
      background-color: #f1f1f1;
      background-image: url('../img/boxed-back.png');
      background-attachment: fixed;
    }
    .wrapper{
      background: #ffffff;
      -webkit-box-shadow: 0 0 8px rgba(0,0,0,0.2);
      box-shadow: 0 0 8px rgba(0,0,0,0.2);
    }
    }