Have you ever come across a resume that is....well....a mess?
Different fonts for different sections, paragraphs here and bullets there, indents that don't line up, bold for some titles but italics for others, big empty spaces on one page and squished text on another, every third word Capitalized for some reason.
Know what I mean?
It doesn't leave a great impression, does it?
Consistency throughout your resume is important the same way consistency throughout a business report is important. It's a reflection of your ability - and recruiters are assessing your ability at every stage of the application process.
It's very important to be consistent, which means if you do something in particular in one area, you do it in all other similar areas. Some things to think about:
Remember, your resume is a reflection of your ability - it's absolutely imperative that it looks professional and makes a great impression at first glance.
Best of luck!