1<div class="block">
2 <div class="squares">
3 <div class="square"></div>
4 <div class="square"></div>
5 <div class="square"></div>
6 <div class="square"></div>
7 <div class="square"></div>
8 <div class="square"></div>
9 <div class="square"></div>
10 <div class="square"></div>
11 <div class="square"></div>
12 </div>
13 <div class="lines">
14 <div class="line" style="--i: 1;"></div>
15 <div class="line" style="--i: 2;"></div>
16 <div class="line" style="--i: 3;"></div>
17 <div class="line" style="--i: 4;"></div>
18 </div>
19</div>