The details are fairly simple but the consistent color scheme and use of printables really gives it a festive and custom look.
By far the cake is an "over-the-top" aspect but the other details are very budget friendly.
Polka Dot paper creates place mats and table runners, printables double as centerpieces, and paper straws add fun color to simple white cups.
Paper straws are a big trend and are inexpensive. These can be found online at party supply stores and even on etsy. They come in many colors and patterns.
Cute plastic trophies can be found at your local party store and are very budget friendly. Adding a custom sticker from a party pack makes them look custom.