Find element that is causing the showing of horizontal scrollbar in Google Chrome

Question

When I size my Chrome window to 328 x 455 pixels I still see a horizontal scrollbar. How can I find out which element is causing this? I\'ve been looking elements via the de

Answer 1

.slide-content .scroller {
  width: 1024px;
}

"fastestest" way: added this in inspector:

* {
  border: 1px solid #f00 !important;
}

and the culprit appeared