diff --git a/src/_h5ai/client/css/inc/view.less b/src/_h5ai/client/css/inc/view.less
index b3707226..c6e74ce2 100644
--- a/src/_h5ai/client/css/inc/view.less
+++ b/src/_h5ai/client/css/inc/view.less
@@ -47,7 +47,6 @@
             background: #fafafa;
 
             a, a:active, a:visited {
-                // padding: 6px 6px 18px 6px;
                 padding: 12px 8px;
                 opacity: 0.4;
                 .transition(all 0.2s ease-in-out);
@@ -77,7 +76,6 @@
 
             a, a:active, a:visited {
                 display: block;
-                overflow: hidden;
 
                 &:hover, &.hover {
                     color: @col-hover;
@@ -140,7 +138,6 @@
                 border-radius: 1px;
                 background: #fff;
                 overflow: hidden;
-                // box-shadow: 0 1px rgba(0,0,0,0.1), 1px 0 rgba(0,0,0,0.02), -1px 0 rgba(0,0,0,0.02);
                 box-shadow: 0 1px 1px 0 rgba(0,0,0,.2);
             }
         }
diff --git a/src/_h5ai/server/php/inc/class-thumb.php b/src/_h5ai/server/php/inc/class-thumb.php
index 1c409a7e..8c772468 100644
--- a/src/_h5ai/server/php/inc/class-thumb.php
+++ b/src/_h5ai/server/php/inc/class-thumb.php
@@ -4,7 +4,7 @@ class Thumb {
 
     private static $FFMPEG_CMDV = array("ffmpeg", "-ss", "0:01:00", "-i", "[SRC]", "-an", "-vframes", "1", "[DEST]");
     private static $AVCONV_CMDV = array("avconv", "-ss", "0:01:00", "-i", "[SRC]", "-an", "-vframes", "1", "[DEST]");
-    private static $CONVERT_CMDV = array("convert", "-strip", "[SRC][0]", "[DEST]");
+    private static $CONVERT_CMDV = array("convert", "-density", "200", "-quality", "100", "-sharpen", "0x1.0", "-strip", "[SRC][0]", "[DEST]");
     private static $THUMB_CACHE = "thumbs";