I am not 100% on this but i think you would want a Large depth of field.
Answer:
1) pull out the legs of the tripod to gain the required height and necessary stability
2) adjust each of the legs so that the tripod is level
3) attach the camera to the tripod
Answer:
Color contrast is the difference in light between font (or anything in the foreground) and its background.
Explanation:
In web accessibility, how well one color stands out from another color determines whether or not most people will be able to read the information.
Contrast makes things look different and stand out