font
Arial is a sans-serif font. It goes well with Georgia, Lucida Grande, Oswald, Times New Roman, Bourgeois, Helvetica Neue, Verdana, Segoe UI, Bebas Neue and Theinhardt. If you're thinking about using Arial then try Give 15px a shot for content.
People commonly tag it as modern, bold, design, sans serif, classy, tech, serif, photo, classic and agency. You can get it from Fonts.com and MyFonts.
Arial on its own
52 Arial samples