@media screen and (max-width: 400px){
    .containers .sidebar{
      /*position: absolute;*/
      box-shadow: 0px 1px 5px rgb(0,0,0,.15);
    }

    .containers .tmpl-container{
      max-width: 400px;
      /*width: 100% !important;*/
      border: 0px solid red;
      margin-left: 0px !important;
    }
}

@media screen and (max-width: 350px){
    .containers .tmpl-container{
      max-width: 350px;
    }
}