Vulcan/packages/telescope-theme-base/lib/client/scss/specific/_admin.scss

.admin-wrapper{
  padding: 0;
  margin-bottom: 10px;
  @include medium-large{
    display: flex;
  }
  .admin-menu{
    background: white(0.8);
    @include medium-large{
      width: 200px;
    }
    padding: 20px;
  }
  .admin-contents{
    background: white;
    @include medium-large{
      border-left: 1px solid #ccc;
      width: 100%;
    }
    padding: 20px;
  }
}