Changing button background color

Hello,
I`ve try to change button color of Pay with revolut accaunt, but without any succes.

Ive inspect elements and find class of a button, but with JS function can`t change anything .

function changeBGColor() {
  var cols = document.getElementsByClassName('iAoDYB');
  for(i = 0; i < cols.length; i++) {
    cols[i].style.backgroundColor = 'blue';
  }
}

Can anyone help me?

• This topic was modified 3 years, 5 months ago by bojko91.