diff --git a/resources/celerity/map.php b/resources/celerity/map.php
--- a/resources/celerity/map.php
+++ b/resources/celerity/map.php
@@ -7,7 +7,7 @@
  */
 return array(
   'names' => array(
-    'core.pkg.css' => '3b2e293c',
+    'core.pkg.css' => '80c32191',
     'core.pkg.js' => '7d8faf57',
     'darkconsole.pkg.js' => 'e7393ebb',
     'differential.pkg.css' => '2de124c9',
@@ -124,7 +124,7 @@
     'rsrc/css/phui/phui-badge.css' => 'f25c3476',
     'rsrc/css/phui/phui-big-info-view.css' => 'bd903741',
     'rsrc/css/phui/phui-box.css' => '348bd872',
-    'rsrc/css/phui/phui-button.css' => 'c096e4e9',
+    'rsrc/css/phui/phui-button.css' => 'a64a8de6',
     'rsrc/css/phui/phui-chart.css' => '6bf6f78e',
     'rsrc/css/phui/phui-crumbs-view.css' => '79d536e5',
     'rsrc/css/phui/phui-document-pro.css' => '92d5b648',
@@ -804,7 +804,7 @@
     'phui-badge-view-css' => 'f25c3476',
     'phui-big-info-view-css' => 'bd903741',
     'phui-box-css' => '348bd872',
-    'phui-button-css' => 'c096e4e9',
+    'phui-button-css' => 'a64a8de6',
     'phui-calendar-css' => 'ccabe893',
     'phui-calendar-day-css' => 'd1cf6f93',
     'phui-calendar-list-css' => 'c1c7f338',
diff --git a/webroot/rsrc/css/phui/phui-button.css b/webroot/rsrc/css/phui/phui-button.css
--- a/webroot/rsrc/css/phui/phui-button.css
+++ b/webroot/rsrc/css/phui/phui-button.css
@@ -26,8 +26,9 @@
 a.button,
 a.button:visited,
 input[type="submit"] {
-  background-color: {$blue};
-  border: 1px solid {$blue};
+  background-color: #2980b9;
+  border: 1px solid #2980b9;
+  background-image: linear-gradient(to bottom, #3498db, #2980b9);
   color: white;
   cursor: pointer;
   font-weight: bold;
@@ -53,6 +54,7 @@
 a.green:visited {
   background-color: {$green};
   border-color: {$green};
+  background-image: linear-gradient(to bottom, #23BB5B, #139543);
 }
 
 button.grey,
@@ -101,7 +103,9 @@
 a.button:hover,
 button:hover {
   text-decoration: none;
-  background-color: {$sky};
+  background-color: #2980b9;
+  background-image: linear-gradient(to bottom, #3498db, #1b6ba0);
+  border-color: #115988;
   transition: 0.1s;
 }
 
@@ -114,13 +118,16 @@
 
 a.button.green:hover,
 button.green:hover {
+  border-color: #127336;
   background-color: #0DAD48;
+  background-image: linear-gradient(to bottom, #23BB5B, #178841);
   transition: 0.1s;
 }
 
 a.button.simple:hover,
 button.simple:hover {
   background-color: {$blue};
+  background-image: linear-gradient(to bottom, {$blue}, {$blue});
   color: #fff;
   transition: 0.1s;
 }
@@ -165,6 +172,7 @@
   display: inline;
   border: none;
   background: transparent;
+  background-image: none;
   font-weight: normal;
   padding: 0;
   margin: 0;
@@ -310,6 +318,7 @@
 .phui-button-bar-borderless .button {
   border: 0;
   background-color: transparent;
+  background-image: none;
   padding-left: 10px;
   padding-right: 10px;
 }
@@ -321,6 +330,7 @@
 
 .phui-button-bar-borderless .button:hover {
   background-color: transparent;
+  background-image: none;
   border-radius: 3px;
 }
 
@@ -357,10 +367,12 @@
 .phui-button-bar .button.simple:hover {
   border-color: {$lightblueborder};
   background-color: #fff;
+  background-image: none;
   color: {$sky};
 }
 
 .phui-button-bar .button.simple:hover .phui-icon-view {
   border-color: {$lightblueborder};
   color: {$sky};
+  background-image: none;
 }