Add bottom margin to pages

Adds a bottom margin to the last card in the Transactions and Analytics pages.

src/pages/Analytics.tsx

@@ -164,6 +164,7 @@ const Analytics = () => {
         <CategorySpendingList 
           categories={categorySpending}
           totalExpense={totalExpense}
+          className="mb-[50px]"
         />
       </div>