fix(all): Self-closing elements (#1825)

apps/demo/emails/receipts/apple-receipt.tsx

@@ -155,7 +155,7 @@ export const AppleReceiptEmail = () => (
             <Column style={tableCell} align="right">
               <Text style={productPriceTotal}>TOTAL</Text>
             </Column>
-            <Column style={productPriceVerticalLine}></Column>
+            <Column style={productPriceVerticalLine} />
             <Column style={productPriceLargeWrapper}>
               <Text style={productPriceLarge}>$14.99</Text>
             </Column>

packages/tailwind/src/tailwind.spec.tsx

@@ -390,7 +390,7 @@ describe("Responsive styles", () => {
       <Tailwind>
         <Head />
         <Body className="bg-white my-auto mx-auto font-sans md:px-[64px]">
-          <div className="md:px-[64px]"></div>
+          <div className="md:px-[64px]" />
         </Body>
       </Tailwind>,
     );