Format Document and remove redundant style

styles.css

@@ -48,10 +48,6 @@ body:not(.home) #hero {
     pointer-events: none;
 }
 
-#hero h1 {
-    margin: 0;
-}
-
 /* App */
 
 #app {
@@ -184,7 +180,8 @@ body:not(.homeCommitted) .birdSoundCredit {
     opacity: 0;
     position: absolute;
     top: 15px;
-    left: 20px; /* Offset */
+    left: 20px;
+    /* Offset */
     animation: pop 0.8s ease-out var(--delay);
     pointer-events: none;
 }
@@ -194,9 +191,19 @@ body:not(.homeCommitted) .birdSoundCredit {
 }
 
 @keyframes pop {
-    0% {opacity: 0; transform: rotate(var(--angle)) translateY(var(--distance))}
+    0% {
-    50% {opacity: 1; }
+        opacity: 0;
-    100% {opacity: 0; transform: rotate(var(--angle)) translateY(calc(var(--distance) - 40px));}
+        transform: rotate(var(--angle)) translateY(var(--distance))
+    }
+
+    50% {
+        opacity: 1;
+    }
+
+    100% {
+        opacity: 0;
+        transform: rotate(var(--angle)) translateY(calc(var(--distance) - 40px));
+    }
 }
 
 #birdButton {