message: round viewport size
diff: @@ -40,7 +40,10 @@ export async function screenshot(
  return size;
  }, selector);
  - await page.setViewportSize({ width: right, height: bottom });
  + await page.setViewportSize({
  + width: Math.round(right),
  + height: Math.round(bottom),
  + });
  return page.screenshot({
  fullPage: true,
  