Change Project Explorer tree view font size in Eclipse Oxygen

Question

I am using Eclipse Version: Oxygen.1a Release (4.7.1a) and I want to enlarge the Project Explorer tree view font size because I have some sight issues and thus I searched ma

Answer 1

In my case using a MacBook 13", I had to edit the following file /Users/myuser/.p2/pool/plugins/org.eclipse.ui.themes_1.2.800.v20191030-0746/css/e4-dark_mac1013.css

Then I searched for this existing item and added the font-size and font-size-adjust. Doing that prevents the tree line to be cropped:

CTabFolder Tree, CTabFolder Canvas {
    background-color: #2F2F2F;
    color: #CCC;
    font-size-adjust: none;
    font-size: 14px;
}