diff --git a/mixtape.tmpl b/mixtape.tmpl
index 5ec5086..d1dcfb3 100644
--- a/mixtape.tmpl
+++ b/mixtape.tmpl
@@ -51,25 +51,25 @@
 	<body>
 		<div id="wrapper">
 			<h1>Mixtape</h1>
-            {{template "player" .Tracks}}
+			{{template "player" .Tracks}}
 			<div id="controls">
 				<a id="prev" href="#prev">&#x23EE; Previous</a>
 				<a id="next" href="#next">Next &#x23ED;</a>
 			</div>
-            {{template "playlist" .Tracks}}
-            {{template "playlist-js"}}
+			{{template "playlist" .Tracks}}
+			{{template "playlist-js"}}
 		</div>
 	</body>
 </html>
 {{end}}
 
 {{define "track-info"}}
-    {{if eq .Num 1}}
+	{{if eq .Num 1}}
 		<p>[Here I might introduce this mix.]</p>
 		<p>[Some notes about track 1.]</p>
-    {{else if eq .Num 2}}
+	{{else if eq .Num 2}}
 		<p>[Some notes about track 2.]</p>
-    {{else if eq .Num 5}}
+	{{else if eq .Num 5}}
 		<p>[Some notes about track 5.]</p>
-    {{end}}
+	{{end}}
 {{end}}
\ No newline at end of file
diff --git a/templates/parts.tmpl b/templates/parts.tmpl
index 244e35d..48aa7ef 100644
--- a/templates/parts.tmpl
+++ b/templates/parts.tmpl
@@ -1,102 +1,102 @@
 {{define "player"}}
-    {{with $x := index . 0}}
-    <audio id="player" preload="auto" tabindex="0" controls>
-        <source src="{{$x.Filename}}">
-    </audio>
-    {{end}}
+	{{with $x := index . 0}}
+		<audio id="player" preload="auto" tabindex="0" controls>
+			<source src="{{$x.Filename}}">
+		</audio>
+	{{end}}
 {{end}}
 {{define "playlist"}}
-    <ol id="playlist">
-        {{range $i, $el := .}}
-        <li{{if eq $i 0}} class="active"{{end}}>
-            <a class="track" href="{{$el.Filename}}" data-artist="{{$el.Artist}}" data-title="{{$el.Title}}">{{$el.Artist}} - {{$el.Title}}</a>
-            {{template "track-info" $el}}
-        </li>
-        {{end}}
-    </ol>
+	<ol id="playlist">
+		{{range $i, $el := .}}
+			<li{{if eq $i 0}} class="active"{{end}}>
+				<a class="track" href="{{$el.Filename}}" data-artist="{{$el.Artist}}" data-title="{{$el.Title}}">{{$el.Artist}} - {{$el.Title}}</a>
+				{{template "track-info" $el}}
+			</li>
+		{{end}}
+	</ol>
 {{end}}
 
 {{define "track-info"}}{{end}}
 
 {{define "full-player"}}
-    {{template "player" .}}
-    {{template "playlist" .}}
-    {{template "playlist-js"}}
+	{{template "player" .}}
+	{{template "playlist" .}}
+	{{template "playlist-js"}}
 {{end}}
 
 {{define "playlist-js"}}
 	<script src="https://code.jquery.com/jquery-3.4.1.min.js" integrity="sha256-CSXorXvZcTkaix6Yvo6HppcZGetbYMGWSFlBw8HfCJo=" crossorigin="anonymous"></script>
 	<script type="text/javascript">
-        $(document).ready(function() {
-            var current = 0;
-            var $audio = $('#player');
-            var $playlist = $('#playlist');
-            var $tracks = $playlist.find('li a.track');
-            var len = $tracks.length;
+		$(document).ready(function () {
+			var current = 0;
+			var $audio = $('#player');
+			var $playlist = $('#playlist');
+			var $tracks = $playlist.find('li a.track');
+			var len = $tracks.length;
 
-            $playlist.on('click', 'a.track', function (e) {
-                e.preventDefault();
-                link = $(this);
-                current = link.parent().index();
-                play(link, $audio[0]);
-            });
-            $audio[0].addEventListener('play', function (e) {
-                var $link = $('li.active > a');
-                setTrackMetadata($link);
-            });
-            $audio[0].addEventListener('ended', function (e) {
-                playNext();
-            });
-            $('a#next').on('click', function (e) {
-                e.preventDefault();
-                playNext();
-            });
-            $('a#prev').on('click', function (e) {
-                e.preventDefault();
-                playPrev();
-            });
+			$playlist.on('click', 'a.track', function (e) {
+				e.preventDefault();
+				link = $(this);
+				current = link.parent().index();
+				play(link, $audio[0]);
+			});
+			$audio[0].addEventListener('play', function (e) {
+				var $link = $('li.active > a');
+				setTrackMetadata($link);
+			});
+			$audio[0].addEventListener('ended', function (e) {
+				playNext();
+			});
+			$('a#next').on('click', function (e) {
+				e.preventDefault();
+				playNext();
+			});
+			$('a#prev').on('click', function (e) {
+				e.preventDefault();
+				playPrev();
+			});
 
-            function playPrev() {
-                current--;
-                if (current < 0) {
-                    current = len - 1;
-                }
-                link = $playlist.find('a.track')[current];
-                play($(link), $audio[0]);
-            }
+			function playPrev() {
+				current--;
+				if (current < 0) {
+					current = len - 1;
+				}
+				link = $playlist.find('a.track')[current];
+				play($(link), $audio[0]);
+			}
 
-            function playNext() {
-                current++;
-                if (current == len) {
-                    current = 0;
-                }
-                link = $playlist.find('a.track')[current];
-                play($(link), $audio[0]);
-            }
+			function playNext() {
+				current++;
+				if (current == len) {
+					current = 0;
+				}
+				link = $playlist.find('a.track')[current];
+				play($(link), $audio[0]);
+			}
 
-            function setTrackMetadata($link) {
-                if ('mediaSession' in navigator) {
-                    // Set track metadata
-                    navigator.mediaSession.metadata = new MediaMetadata({
-                        title: $link.data('title'),
-                        artist: $link.data('artist'),
-                    });
-                }
-            }
+			function setTrackMetadata($link) {
+				if ('mediaSession' in navigator) {
+					// Set track metadata
+					navigator.mediaSession.metadata = new MediaMetadata({
+						title: $link.data('title'),
+						artist: $link.data('artist'),
+					});
+				}
+			}
 
-            function play($link, $player) {
-                $player.src = $link.attr('href');
-                par = $link.parent();
-                par.addClass('active').siblings().removeClass('active');
-                $player.load();
-                $player.play();
-            }
+			function play($link, $player) {
+				$player.src = $link.attr('href');
+				par = $link.parent();
+				par.addClass('active').siblings().removeClass('active');
+				$player.load();
+				$player.play();
+			}
 
-            if ('mediaSession' in navigator) {
-                // Listen for MediaSession events
-                navigator.mediaSession.setActionHandler('nexttrack', playNext);
-                navigator.mediaSession.setActionHandler('previoustrack', playPrev);
-            }
-        });
+			if ('mediaSession' in navigator) {
+				// Listen for MediaSession events
+				navigator.mediaSession.setActionHandler('nexttrack', playNext);
+				navigator.mediaSession.setActionHandler('previoustrack', playPrev);
+			}
+		});
 	</script>
 {{end}}
\ No newline at end of file
