The dress you described is a blend of traditional and whimsical styles, perfect for young girls. While the main color palette appears dark with a charming mountain, tree, and star print in pastel tones, your description mentions it as a "white and blue" dress. The standout features include a tiered, ruffled skirt, long sleeves, and a prominently large pink polka-dot collar with ruffled edges. This detail is complemented by a matching oversized bow, adding a playful elegance. The button-down front adds a classic touch, making the dress suitable for festive or special occasions, merging traditional aesthetics with contemporary design elements.