Responsive images for RL occur within the following breakpoints:
Desktop - 992 +
Tablet portrait - 768 - 991
Phone landscape - 480 - 767
Phone portrait - up to 479
Fixed images are used specifically within "Hero Images" of specific heights and uses.
They move only along the X axis and do not scale. Use the appropriate Illustrator template dimensions to help in composing these images.
How to use fixed images: