feat: rewording and add initial animation

frontend/src/styles/globals.css

@@ -127,6 +127,23 @@
       transform: translateY(0);
     }
   }
+
+  --animate-wave: wave 0.6s ease-in-out 2;
+  @keyframes wave {
+    0%,
+    100% {
+      transform: rotate(0deg);
+    }
+    25% {
+      transform: rotate(20deg);
+    }
+    50% {
+      transform: rotate(0deg);
+    }
+    75% {
+      transform: rotate(20deg);
+    }
+  }
 }
 
 @theme inline {