diff --git a/index.html b/index.html
index 141e509..ebd4e9f 100644
--- a/index.html
+++ b/index.html
@@ -29,7 +29,7 @@
                 width: 100vw;
                 overflow: hidden;
                 -moz-user-select: none;
-                -webkit-user-select: none; 
+                -webkit-user-select: none;
                 -ms-user-select: none;
                 user-select: none;
             }
@@ -229,7 +229,7 @@
                 margin-top: 0;
             }
 
-            #setup h2, 
+            #setup h2,
             #setup label {
                 margin: 0.4em 0.35em; /* fallback */
                 margin: 4vmin 3.5vmin;
@@ -302,7 +302,7 @@
                 filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#ffefa7', endColorstr='#feae27',GradientType=0 );
             }
 
-            button.twitter {
+            button.mastodon {
                 background: #51aaea;
                 background: -moz-linear-gradient(top,  #51aaea 0%, #3375a6 100%);
                 background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#51aaea), color-stop(100%,#3375a6));
@@ -483,7 +483,7 @@
                     $('#tutorial .gameBoard').html("");
 
                     gameBoardWidth = 10;
-                    
+
                     //determine aspect ratio so as to fit the screen
                     gameBoardHeight = determineGameBoardHeight();
 
@@ -659,12 +659,12 @@
                 function refreshMineCounts() {
                     $('ul:not(.removing) li.revealed:not(.mine, .removing)').each(function() {
                         var mineCount = $(this).countMinesText();
-                        
+
                         $(this).text(mineCount);
 
                         //remove "mines1" etc
                         $(this).attr(
-                            'class', 
+                            'class',
                             $(this).attr('class').replace(
                                 /mines[0-9]/, "mines" + mineCount
                             )
@@ -688,7 +688,7 @@
                 function checkGameOver() {
                     if (isGameOver()) {
                         $('#gameOver').show();
-                        
+
                         var currentHiScore = 0;
 
                         if ($.isNumeric(localStorage.getItem("hiscore"))) {
@@ -755,7 +755,7 @@
                 function updateMinesLeft() {
                     //unflagged mines - revealed mines - flagged not-mines
                     $('#mines').text(
-                        "Mines left: " 
+                        "Mines left: "
                       + ($('.mine:not(.flagged)').length
                       -  $('.mine.revealed').length
                       -  $('li:not(.mine).flagged').length)
@@ -995,7 +995,7 @@
                         $(this).addClass("revealed");
                     } else if (!automated && parseInt($(this).text()) === $(this).getAdjacentTiles().filter('.flagged, .revealed.mine').length) {
                         //already clicked; use middle click reveal functionality
-                        
+
                         //number of flags matches number of adjacent mines
                         $(this).getAdjacentTiles().filter(':not(.flagged, .revealed)').mouseup();
                     } else {
@@ -1137,12 +1137,12 @@
                 ......................................................................
                 inspired by minesweeper, tetris and 2048
                 ......................................................................
-                gratz 'n' greetz go out to mum and dad, guy, titas, dan, nick, enrico, 
-                ahona, robin, arielle, isy, thom, tom, olu, lovely dave, jen, ed, 
-                david, andy, rachel, isaac, rory, 'partay' pat, al, ant, zoe, john, 
+                gratz 'n' greetz go out to mum and dad, guy, titas, dan, nick, enrico,
+                ahona, robin, arielle, isy, thom, tom, olu, lovely dave, jen, ed,
+                david, andy, rachel, isaac, rory, 'partay' pat, al, ant, zoe, john,
                 charlie, wilkie, george
                 ......................................................................
-                HELLO's fly out to some cool game devs: porpentine, merritt kopas, 
+                HELLO's fly out to some cool game devs: porpentine, merritt kopas,
                 zoe quinn, aniwey, orteil
                 ......................................................................
                 i listened to a lot of keygenjukebox while coding this
@@ -1151,14 +1151,14 @@
                 ......................................................................
                 ......................................................................
                 ......................................................................
-                this story is dedicated to all those cyberpunks who fight against 
+                this story is dedicated to all those cyberpunks who fight against
                 injustice and corruption every day of their lives
                 ......................................................................
             </div>
 
             <div class="centre">
-                <form action="https://twitter.com/synth_ruiner" method="post" target="_blank">
-                    <button class="twitter">say hi</button>
+                <form action="https://timetheft.social/@tinybird" method="post" target="_blank">
+                    <button class="mastodon">say hi</button>
                 </form>
             </div>
 
@@ -1170,7 +1170,7 @@
             <h1>endless mines</h1>
 
             <p class="subtitle">ruin 2015</p>
-            
+
             <p>
                 <strong>left click</strong> or <strong>tap</strong> to clear a tile. <br>
                 <strong>right click</strong> or <strong>hold</strong> to flag a mine. <br>
@@ -1184,7 +1184,7 @@
                 <button class="start normal">normal</button>
                 <button class="start hard">hard</button>
             </div>
-            
+
             <div class="centre">
                 <button class="tutorial">tutorial</button>
                 <button class="cancel">cancel</button>
@@ -1490,4 +1490,4 @@
             </div>
         </div>
     </body>
-</html>
\ No newline at end of file
+</html>