add positioning for images in bottom box on hompage
add positioning for images in bottom box on hompage

Signed-off-by: Josh Angell <c028c213ed5efcf30c3f4fc7361dbde0c893c5b7@supercooldesign.co.uk>

cyclestreets/cyclescape,cyclestreets/cyclescape,auto-mat/toolkit,auto-mat/toolkit,cyclestreets/cyclescape