CODE EXAMPLE FOR CSS

add padding to gnome terminal

/* Edit this file or create it if it does not exist ~/.config/gtk-3.0/gtk.css */

VteTerminal,
TerminalScreen,
vte-terminal {
    padding: 10px 10px 10px 10px;
    -VteTerminal-inner-border: 10px 10px 10px 10px;
}

/* restart gnome-terminal */