Some more styling fixes

svelte/src/file_viewer/AdLeaderboard.svelte

@@ -17,10 +17,10 @@ onMount(() => {
 		case 0:
 			set_ad_type("aads")
 			break
-		case 2:
+		case 1:
 			set_ad_type("ads.plus")
 			break
-		case 3:
+		case 2:
 			set_ad_type("valueimpression")
 			break
 	}

svelte/src/file_viewer/IntroPopup.svelte

@@ -36,7 +36,7 @@ onMount(() => {
 
 {#if visible}
 	<div bind:this={popup} in:fade out:fade class="intro_popup">
-		<span class="title">Upload your own files here</span>
+		<span class="light">Upload your own files here</span>
 		<p>
 			With pixeldrain you can share your files anywhere on the web. The
 			sky is the limit!
@@ -72,7 +72,7 @@ onMount(() => {
 	border-left: 15px solid transparent;
 	border-right: 15px solid transparent;
 }
-.title {
+.light {
 	font-size: 1.6em;
 }
 .close {

svelte/src/file_viewer/viewers/RateLimit.svelte

@@ -20,7 +20,7 @@ let file = {
 		a file is downloaded many times outside of our file viewer page (this
 		page). Usually this means people are using download managers like
 		JDownloader 2, Aria2 or wget. Using a download manager circumvents
-		pixeldrain's advertisements and we lose money because of it. More
+		pixeldrain's advertisements and we lose money because of that. More
 		information about this protection mechanism can be found on <a
 		href="/#hotlinking">the home page</a>.
 	</p>
@@ -67,6 +67,8 @@ let file = {
 	background-color: rgba(0, 0, 0, 0.2);
 	border-radius: 16px;
 	text-align: left;
+	padding: 10px;
+	border-radius: 16px;
 }
 
 .file_thumbnail {