@media screen and (max-width: 992px) {
  .tx-nezzoshop #productDetail .product .mainInformation .left,
  .tx-nezzoshop #productDetail .product .mainInformation .right {
    width: 100%;
  }
  .tx-nezzoshop #checkoutStep1 #contentWrap .left,
  .tx-nezzoshop #checkoutStep1 #contentWrap .right {
    float: none;
    width: 100%;
  }
  .tx-nezzoshop #checkoutStep1 #contentWrap .right {
    padding-top: 20px;
  }
  .tx-nezzoshop #changeAddress #contentWrap .left {
    padding-right: 0;
    float: none;
    width: 100%;
  }
  .tx-nezzoshop #changeAddress #contentWrap .right {
    display: none;
  }
  .tx-nezzoshop #checkoutStep3 #addressWrap .left,
  .tx-nezzoshop #checkoutStep3 #addressWrap .right {
    float: none;
    width: 100%;
    padding-top: 20px;
  }
  .tx-nezzoshop #checkoutStep3 #paymentWrap .left,
  .tx-nezzoshop #checkoutStep3 #paymentWrap .right {
    float: none;
    width: 100%;
    padding-top: 20px;
  }
}