Example URL:
Private URL

Steps to reproduce the problem:
1. Open a page with a select input (CSS below)
2. scroll down on page so address bar hides
3. tap to use select input

What is the expected behavior?
Select options open and you choose which one.

What went wrong?
Select options immediately close while the address bar reappears.

Does it occur on multiple sites: N/A

Is it a problem with a plugin? N/A 

Did this work before? N/A 

Does this work in other browsers? N/A

Chrome version: 66.0.3359.122  Channel: beta
OS Version: 11.4
Flash Version: 

Select has specific CSS on the page

select {
  -webkit-appearance: none;
  -moz-appearance: none;
  background: url('../arrow_down.svg') no-repeat #fff;
  background-position: right 10px center;
  border: 1px solid #ddd;
  border-radius: 4px;
  padding: 8px 30px 8px 10px;
  outline: none;
  color: #555;
  width: 100%;
}