msdoc

mkdir -p .config/gtk-3.0
cd .config/gtk-3.0

vi gtk.css
.terminator-terminal-window notebook tab {
    min-height: 0;
    padding: 0px;
}

.terminator-terminal-window notebook tab button {
    min-height: 0;
    min-width: 0;
    padding: 0px;
    margin: 0px;
}