diff --git a/inside/Form.php b/inside/Form.php
index 276536c..2db6987 100644
--- a/inside/Form.php
+++ b/inside/Form.php
@@ -36,7 +36,7 @@ class Form {
       }
     $pos = strpos($_SERVER['REQUEST_URI'], "action");
     if ($pos === false){?>
-        <!--<a class="btn" href="index.php?action=switch-formtype&amp;section=customize">bytt skjemastil</a>-->
+        <!--<a class="btn btn-default" href="index.php?action=switch-formtype&amp;section=customize">bytt skjemastil</a>-->
     
 <?php }
     }
diff --git a/inside/Order.php b/inside/Order.php
index a6e6a6f..b47576b 100644
--- a/inside/Order.php
+++ b/inside/Order.php
@@ -202,15 +202,15 @@ class Order {
       	<td colspan="2"><?php print formatPrice($this->calculateTotalAmount()); ?></td>
       </tr>
       </table>
-      <p>Har du gjort endringer? <span class="btn" onclick="document.getElementById('update-order-<?php print $this->id; ?>').submit();">oppdatér</span></p>
+      <p>Har du gjort endringer? <span class="btn btn-default" onclick="document.getElementById('update-order-<?php print $this->id; ?>').submit();">oppdatér</span></p>
       </form>
-      <p>Handle mer? <a class="btn" href="index.php?page=display-webshop">tilbake til produkter</a></p>
+      <p>Handle mer? <a class="btn btn-default" href="index.php?page=display-webshop">tilbake til produkter</a></p>
 
       <form action="index.php?action=cart-checkout" method="post">
 	  		<div>
 	  			<input type="hidden" name="order_id" value="<?php print $this->id; ?>" />
 	  			<input type="hidden" name="transaction_id_string" value="<?php print createTransactionId(); ?>" /></div>
-	  		<p>Er du ferdig? <a class="btn" href="index.php?action=cart-checkout&amp;order_id=<?php print $this->id; ?>&amp;transaction_id_string=<?php print createTransactionId(); ?>">gå til betaling</a></p>
+	  		<p>Er du ferdig? <a class="btn btn-primary" href="index.php?action=cart-checkout&amp;order_id=<?php print $this->id; ?>&amp;transaction_id_string=<?php print createTransactionId(); ?>">gå til betaling</a></p>
       </form>
       <?php
     }else {
@@ -251,9 +251,9 @@ class Order {
 			<p>Ordrestatus: <strong><?php print $this->order_status_value; ?></strong>
 			<?php if ($edit && $this->order_status_id < 3) { ?>
 			<p>
-				<a class="btn" href="index.php?page=display-cart&amp;order_id=<?php print $this->id; ?>">rediger ordre</a>
-				<a class="btn" href="index.php?page=display-carts&amp;action=delete-order&amp;order_id=<?php print $this->id; ?>">slett ordre</a>
-				<a class="btn" href="index.php?action=cart-checkout&amp;order_id=<?php print $this->id; ?>&amp;transaction_id_string=<?php print createTransactionId(); ?>">gå til betaling</a>
+				<a class="btn btn-default" href="index.php?page=display-cart&amp;order_id=<?php print $this->id; ?>">rediger ordre</a>
+				<a class="btn btn-default" href="index.php?page=display-carts&amp;action=delete-order&amp;order_id=<?php print $this->id; ?>">slett ordre</a>
+				<a class="btn btn-default" href="index.php?action=cart-checkout&amp;order_id=<?php print $this->id; ?>&amp;transaction_id_string=<?php print createTransactionId(); ?>">gå til betaling</a>
 			</p>
       <?php }
     }else {
diff --git a/inside/Page.php b/inside/Page.php
index c0e12fe..2aed33b 100644
--- a/inside/Page.php
+++ b/inside/Page.php
@@ -610,14 +610,14 @@ class Page {
 			<?php
     }
 		?>
-			<a class="btn" href="index.php?page=display-current-user">Oppdatér brukerinfo</a>
-			<a class="btn" href="index.php?page=display-webshop">Bestill nytt medlemskort</a>
+			<a class="btn btn-default" href="index.php?page=display-current-user">Oppdatér brukerinfo</a>
+			<a class="btn btn-default" href="index.php?page=display-webshop">Bestill nytt medlemskort</a>
 
 			<div class="bliaktiv">
 			    <h3>Engasjer deg!</h3>
 			    <p>Visste du at Studentersamfundet drives av frivillige studenter? Å være aktiv i en studentforening er en sosial affære. Det skaffer deg fort både venner og erfaring.</p>
 			    <p>La det neste året være året du husker. Finn en ny interesse i dag!</p>
-			    <a class="btn" href="http://studentersamfundet.no/bli-aktiv/">Engasjer deg</a>
+			    <a class="btn btn-default" href="http://studentersamfundet.no/bli-aktiv/">Engasjer deg</a>
 			</div>
 		<?php
   } else {
@@ -2542,7 +2542,7 @@ Om dere lager en facebook side til arrangementet, ikke glem &aring; putte inn le
     $form->display();
 
 ?>
-		<span class="btn" onclick="toggleDisplay('user-groups'); toggleText(this, 'vis grupper', 'skjul grupper');">vis grupper</span>
+		<span class="btn btn-default" onclick="toggleDisplay('user-groups'); toggleText(this, 'vis grupper', 'skjul grupper');">vis grupper</span>
 			<div id="user-groups" style="display: none;">
 <?php
     $user->displayGroups();
@@ -2571,7 +2571,7 @@ Om dere lager en facebook side til arrangementet, ikke glem &aring; putte inn le
 <?php
     if(checkAuth("view-user-updates")){
 ?>
-		<span class="btn" onclick="toggleDisplay('user-updates'); toggleText(this, 'vis endringer', 'skjul endringer');">vis endringer</span>
+		<span class="btn btn-default" onclick="toggleDisplay('user-updates'); toggleText(this, 'vis endringer', 'skjul endringer');">vis endringer</span>
 		<div id="user-updates" style="display: none">
 <?php
       $user->displayUpdates();
@@ -2579,7 +2579,7 @@ Om dere lager en facebook side til arrangementet, ikke glem &aring; putte inn le
     }
     if(checkAuth("view-delete-user")){
 ?>
-		<!--a class="btn" href="javascript: if(confirm('Slett bruker?\n\nDette kan ikke angres!')) {
+		<!--a class="btn btn-default" href="javascript: if(confirm('Slett bruker?\n\nDette kan ikke angres!')) {
 		  location='index.php?action=delete-user&amp;userid=<?php print $user->id;?>'};">slett bruker</a-->
 <?php
     }
@@ -2736,7 +2736,7 @@ Om dere lager en facebook side til arrangementet, ikke glem &aring; putte inn le
 
 	private function _displayProduct() {
 	  ?>
-		<p><a class="btn" href="index.php?page=display-webshop">tilbake til produkter</a></p>
+		<p><a class="btn btn-default" href="index.php?page=display-webshop">tilbake til produkter</a></p>
 	  <?php
 	  $product = new Product(scriptParam('productid'));
 	  $product->display();
@@ -3010,9 +3010,9 @@ Om dere lager en facebook side til arrangementet, ikke glem &aring; putte inn le
   function _displayBugReports(){
     ?>
     <p>
-    	<a class="btn" href="index.php?page=display-bugreports&amp;selection=all">vis alle</a>
-    	<a class="btn" href="index.php?page=display-bugreports&amp;selection=old">vis behandlede</a>
-    	<a class="btn" href="index.php?page=display-bugreports&amp;selection=new">vis ikke behandlede</a>
+    	<a class="btn btn-default" href="index.php?page=display-bugreports&amp;selection=all">vis alle</a>
+    	<a class="btn btn-default" href="index.php?page=display-bugreports&amp;selection=old">vis behandlede</a>
+    	<a class="btn btn-default" href="index.php?page=display-bugreports&amp;selection=new">vis ikke behandlede</a>
 		</p>
     <?php
     $selection = scriptParam("selection");
diff --git a/inside/functions.php b/inside/functions.php
index 5dbd443..f0a917e 100644
--- a/inside/functions.php
+++ b/inside/functions.php
@@ -1204,7 +1204,7 @@ function reportBug($type) {
 
 function displayBugReportForm($type) {
 ?>
-  <span class="btn" onclick="toggleDisplay('bug-report-form'); toggleText(this, 'rapportér problem', 'skjul skjema');">rapportér problem</span>
+  <span class="btn btn-default" onclick="toggleDisplay('bug-report-form'); toggleText(this, 'rapportér problem', 'skjul skjema');">rapportér problem</span>
   <div id="bug-report-form" style="display: none;">
   <?php