Hello,

Add below Custom CSS code to Theme Settings > Custom CSS > Global custom CSS

.mfp-move-horizontal.mfp-ready .mfp-with-anim, .mfp-move-horizontal.mfp-ready .mfp-with-anim .summary-inner {
     height: 33rem;
}

.wd-sizeguide .responsive-table {
      display: none;
}

.wd-sizeguide-content {
   margin-top: -40px;
}

Best Regards.