Alignment on a dropdown-menu

Hi guys and first of all, sorry for my bad english. I'm trying to align a dropdown menu on the left side of a list-group ( ). I want to set the dropdown align with the list-group-item "father" (left side option). As u can see in the picture, the dropdown is a litle bit down.

Here is a pic of the html with the used classes:

Looks like you need to adjust your padding in your CSS to align the Icons as well.

But as for the drop down, my suggestion would be to use chrome when previewing and inspect the element to find out what CSS this is controlled by and if it's bootstrap default then create a new class in your customer CSS to remove and margin/padding that causes it to push down slightly