fix sync issue, frontend improvement

vue/src/assets/main.css

@@ -3,7 +3,7 @@
 #app {
   max-width: 1280px;
   margin: 0 auto;
-  padding: 1rem;
+  padding: 0.5rem;
 
   font-weight: normal;
 }
@@ -69,7 +69,7 @@ a,
 .feed-title {
   cursor: pointer;
   font-family: 'Courier New';
-  font-size: clamp(1.1rem, 4vw, 1.4rem);
+  font-size: clamp(1.25rem, 4.5vw, 1.6rem);
   font-weight: bold;
   color: var(--color-accent-2);
   border-bottom: 1px solid #ccc;
@@ -110,6 +110,6 @@ h3 {
 
 @media (min-width: 768px) {
   #app {
-    padding: 2rem;
+    padding: 0.75rem;
   }
 }