Update style.css

static/style.css

@@ -46,10 +46,11 @@ html * {
 .top-logo {
     height: 4vh;
     width: auto;
-    margin-left: -3vw;
+    transition: opacity 0.5s; /* 0.5s fade transition for opacity */
 }
+
 .hidden {
-    display: none;
+    opacity: 0; /* makes the element fully transparent */
 }
 /* What is this for again? */
 @keyframes animate {