Solved some more bugs and styling

src/components/Exercises/FillBlanks.tsx

@@ -151,7 +151,7 @@ export default function FillBlanks({
 
 			<div className="self-end flex justify-between w-full gap-8 absolute bottom-8 left-0 px-8">
 				<Button
-					color="green"
+					color="purple"
 					variant="outline"
 					onClick={() => onBack({exercise: id, solutions: answers, score: calculateScore(), type})}
 					className="max-w-[200px] w-full">
@@ -159,7 +159,7 @@ export default function FillBlanks({
 				</Button>
 
 				<Button
-					color="green"
+					color="purple"
 					onClick={() => onNext({exercise: id, solutions: answers, score: calculateScore(), type})}
 					className="max-w-[200px] self-end w-full">
 					Next