body.page-type-project #completeData .modalsize--content {
  top: 1rem;
  height: auto;
  max-height: calc(100vh - 2rem);
  transform: translateX(-50%);
}

@media (max-width: 768px) {
  body.page-type-project #completeData .modalsize--content {
    width: calc(100% - 2rem);
  }
}