diff --git a/core/src/main/resources/spark/ui/static/webui.css b/core/src/main/resources/spark/ui/static/webui.css
index d9187901876fbb83fce3aa9d1ebaf0b620b3d40c..33fc51155fccf85c0d5594401126744029be857b 100644
--- a/core/src/main/resources/spark/ui/static/webui.css
+++ b/core/src/main/resources/spark/ui/static/webui.css
@@ -50,25 +50,25 @@
 
 .progress-completed .bar,
 .progress .bar-completed {
-  background-color: #7ccde5;
-  background-image: -moz-linear-gradient(top, #7ccde5, #75c3d9);
-  background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#7ccde5), to(#75c3d9));
-  background-image: -webkit-linear-gradient(top, #7ccde5, #75c3d9);
-  background-image: -o-linear-gradient(top, #7ccde5, #75c3d9);
-  background-image: linear-gradient(to bottom, #7ccde5, #75c3d9);
+  background-color: #b3def9;
+  background-image: -moz-linear-gradient(top, #addfff, #badcf2);
+  background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#addfff), to(#badcf2));
+  background-image: -webkit-linear-gradient(top, #addfff, #badcf2);
+  background-image: -o-linear-gradient(top, #addfff, #badcf2);
+  background-image: linear-gradient(to bottom, #addfff, #badcf2);
   background-repeat: repeat-x;
-  filter: progid:dximagetransform.microsoft.gradient(startColorstr='#ff7ccde5', endColorstr='#ff75c3d9', GradientType=0);
+  filter: progid:dximagetransform.microsoft.gradient(startColorstr='#ffaddfff', endColorstr='#ffbadcf2', GradientType=0);
 }
 
 .progress-running .bar,
 .progress .bar-running {
-  background-color: #cdecf5;
-  background-image: -moz-linear-gradient(top, #cdecf5, #c2e4ee);
-  background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#cdecf5), to(#c2e4ee));
-  background-image: -webkit-linear-gradient(top, #cdecf5, #c2e4ee);
-  background-image: -o-linear-gradient(top, #cdecf5, #c2e4ee);
-  background-image: linear-gradient(to bottom, #cdecf5, #c2e4ee);
+  background-color: #c2ebfa;
+  background-image: -moz-linear-gradient(top, #bdedff, #c7e8f5);
+  background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#bdedff), to(#c7e8f5));
+  background-image: -webkit-linear-gradient(top, #bdedff, #c7e8f5);
+  background-image: -o-linear-gradient(top, #bdedff, #c7e8f5);
+  background-image: linear-gradient(to bottom, #bdedff, #c7e8f5);
   background-repeat: repeat-x;
-  filter: progid:dximagetransform.microsoft.gradient(startColorstr='#ffcdecf5', endColorstr='#ffc2e4ee', GradientType=0);
+  filter: progid:dximagetransform.microsoft.gradient(startColorstr='#ffbdedff', endColorstr='#ffc7e8f5', GradientType=0);
 }