Alice is from around the 1920's. That is the victorian/art deco era. Art deco isn't exactly a "clothing" style per-se, but to help あなた get a general idea. She is a mixture of the classic victorian era from her human life to her early vampire years with a chic type look. It's very unique, so it becomes quite difficult to describe. She is very fashion フォワード, 前進, 楽しみにして so she tends to stick to a victorian/modern chic twist.
Her fashion style is very cute, the Colors(色) match, pop out,even, when paired with her unnaturally alabaster-colored skin. Her beautiful face is thin, and shockingly lovely-with または without makeup.