Update HeroSection.scss

Author: yaira2

src/layout/HeroSection/HeroSection.scss

@@ -81,7 +81,7 @@
 		.rainbow-background {
 			position: absolute;
 			z-index: -1;
-			background: 800% 800% /* pos */
+			background: 1000% 1000% /* pos */
 			linear-gradient(
 							to bottom right,
 							hsl(133, 67%, 59%),