CSSBattle 15.85: Pythagoras Solution

Approach

Create center square

Use :before and :after to create left and right one

Keep in mind about the order in transform

Result: 100% match

Implementation

1<div class="square"></div>
2<style>
3  body {
4    margin: 0;
5    background: #d25b70;
6    display: flex;
7    height: 100%;
8    justify-content: center;
9    align-items: center;
10  }
11  .square {
12    width: 100px;
13    height: 100px;
14    background: #f7f3da;
15    margin-top: 100px;
16    position: relative;
17  }
18  .square:before {
19    content: "";
20    position: absolute;
21    width: 60px;
22    height: 60px;
23    background: #6cb3a9;
24    transform: translate(-36px, -72px) rotate(37deg);
25  }
26  .square:after {
27    content: "";
28    position: absolute;
29    width: 80px;
30    height: 80px;
31    right: 0;
32    background: #f6df96;
33    transform: translate(32px, -96px) rotate(37deg);
34  }
35</style>

Other Battle #15 solutions

#81 - Odoo

#82 - Diamond Cut

#83 - Supernova

#84 - Junction

#85 - Pythagoras

#86 - Stairway

References

Original challenge