diff --git a/core/css/styles.css b/core/css/styles.css
index d4ad393b852..8723fe0eaf2 100644
--- a/core/css/styles.css
+++ b/core/css/styles.css
@@ -5,6 +5,7 @@ body { background:#fefefe url('../img/body_background.jpg') repeat-y left top; f
 #owncloud { float:left; margin:0 0 0 2em; }
 h1 { margin:1em 3em 1em 0; border-bottom:1px solid #666; text-transform:uppercase; font-weight:normal; font-style:italic; color:#666; }
 p.center { text-align:center; }
+a { color:#000; text-decoration:none; }
 
 form { margin:2em 2em 2em 3em; }
 form#quota { max-width:600px; }
diff --git a/core/img/actions/arrow-down.png b/core/img/actions/arrow-down.png
deleted file mode 100644
index 03f201428ad..00000000000
Binary files a/core/img/actions/arrow-down.png and /dev/null differ
diff --git a/core/img/actions/arrow-left.png b/core/img/actions/arrow-left.png
deleted file mode 100644
index b56cfee03df..00000000000
Binary files a/core/img/actions/arrow-left.png and /dev/null differ
diff --git a/core/img/actions/arrow-right.png b/core/img/actions/arrow-right.png
deleted file mode 100644
index 0acee70bcdd..00000000000
Binary files a/core/img/actions/arrow-right.png and /dev/null differ
diff --git a/core/img/actions/arrow-up.png b/core/img/actions/arrow-up.png
deleted file mode 100644
index 5e423213fbd..00000000000
Binary files a/core/img/actions/arrow-up.png and /dev/null differ
diff --git a/files/templates/part.list.php b/files/templates/part.list.php
index a5ba0ad481e..c7028c3c88c 100644
--- a/files/templates/part.list.php
+++ b/files/templates/part.list.php
@@ -1,6 +1,6 @@
 		<?php foreach($_['files'] as $file):
 			$simple_file_size = simple_file_size($file['size']);
-			$simple_size_color = 200-intval($simple_file_size*$simple_file_size); ?>
+			$simple_size_color = 200-intval(pow($simple_file_size,3)); ?>
 			<tr data-file="<?php echo $file['name'];?>" data-type="<?php echo ($file['type'] == 'dir')?'dir':'file'?>" data-mime="<?php echo $file['mime']?>">
 				<td class="selection"><input type="checkbox" /></td>
 				<td class="filename"><a style="background-image:url(<?php if($file['type'] == 'dir') echo mimetype_icon('dir'); else echo mimetype_icon($file['mime']); ?>)" href="<?php if($file['type'] == 'dir') echo link_to('files', 'index.php?dir='.$file['directory'].'/'.$file['name']); else echo link_to('files', 'download.php?file='.$file['directory'].'/'.$file['name']); ?>" title=""><?php if($file['type'] == 'dir') echo "<strong>"; echo htmlspecialchars($file['name']); if($file['type'] == 'dir') echo "</strong>"; ?></a></td>