What your looking for isn't provided by a theme.
Change the cursor size.....see HERE
Disable Menu in panel completely(terminal command)
echo '[ "$DESKTOP_SESSION" = "ubuntu" ] && unset UBUNTU_MENUPROXY' | sudo tee /etc/X11/Xsession.d/81ubuntu-menu-proxy
If you want to enable the global menu again...
sudo rm /etc/X11/Xsession.d/81ubuntu-menu-proxy
For a larger view, change the text scaling factor(terminal command)
...where x.x is a number between 1.0 and 3.0
gsettings set org.gnome.desktop.interface text-scaling-factor x.x
To reset text-scaling-factor back to default, use(terminal command)...
gsettings set org.gnome.desktop.interface text-scaling-factor 1.5
gsettings reset org.gnome.desktop.interface text-scaling-factor