improve icon style

Author: bluebill1049

src/components/sponsorsList.module.css

@@ -44,6 +44,10 @@
   padding: 0.5rem;
 }
 
+.twicsy {
+  border-radius: 50px;
+}
+
 @media (min-width: 768px) {
   .logoGroup {
     display: grid;

src/components/sponsorsList.tsx

@@ -39,6 +39,7 @@ export function SponsorsList() {
           rel="noopener noreferrer"
         >
           <img
+            className={styles.twicsy}
             src="/images/twicsy.png"
             alt="twicsy"
           />