My personal style can drastically differ from day to day, but I think the elements that make my look unique yet uniform comes down to these few mantras. For me, it’s less about the actual look, and more about the execution of putting together that particular outfit that I consistently do:
sometimes buck the trends, and just dress in silhouettes that work for my body type — I know that certain trends, like 1920s “Gatsby-era” dresses look just plain awful on me, but defined hourglass, 1940s shapes look GREAT!
having a good tailored fit, either right off the rack, or making alterations — know what brands work best for your different body parts, and stick to them or use the fit as a reference point. If something has potential and you can tell that it may need a slight alteration, take care of that before you even try to wear it! I constantly get pants hemmed (for example, the ones pictured), and tops and dresses taken up and in.