Smol fix.

src/slide/s8_mosaic.rs

@@ -249,7 +249,7 @@ impl Slide for Mosaic {
                     }
                 }
                 &MosaicState::Triangles => {
-                    for _ in 0..(self.count / 8).min(490) + 11 {
+                    for _ in 0..(self.count / 8 + 10).min(537) {
                         let x: f32 = rng.gen();
                         let y: f32 = rng.gen();
                         let size: f32 = (rng.gen::<f32>().max(0.5)