standardize default button gradient styles to match other buttons, reset it's...

standardize default button gradient styles to match other buttons, reset it's IE filter to improve IE7 hover

docs/assets/css/bootstrap.css

@@ -1693,15 +1693,18 @@ table .span12 {
   text-align: center;
   text-shadow: 0 1px 1px rgba(255, 255, 255, 0.75);
   vertical-align: middle;
-  background-color: #fafafa;
-  background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#ffffff), color-stop(25%, #ffffff), to(#e6e6e6));
-  background-image: -webkit-linear-gradient(#ffffff, #ffffff 25%, #e6e6e6);
-  background-image: -moz-linear-gradient(top, #ffffff, #ffffff 25%, #e6e6e6);
-  background-image: -ms-linear-gradient(#ffffff, #ffffff 25%, #e6e6e6);
-  background-image: -o-linear-gradient(#ffffff, #ffffff 25%, #e6e6e6);
-  background-image: linear-gradient(#ffffff, #ffffff 25%, #e6e6e6);
-  background-repeat: no-repeat;
+  background-color: #f5f5f5;
+  background-image: -moz-linear-gradient(top, #ffffff, #e6e6e6);
+  background-image: -ms-linear-gradient(top, #ffffff, #e6e6e6);
+  background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#ffffff), to(#e6e6e6));
+  background-image: -webkit-linear-gradient(top, #ffffff, #e6e6e6);
+  background-image: -o-linear-gradient(top, #ffffff, #e6e6e6);
+  background-image: linear-gradient(top, #ffffff, #e6e6e6);
+  background-repeat: repeat-x;
   filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffffff', endColorstr='#e6e6e6', GradientType=0);
+  border-color: #e6e6e6 #e6e6e6 #bfbfbf;
+  border-color: rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.25);
+  filter: progid:DXImageTransform.Microsoft.gradient(enabled = false);
   border: 1px solid #ccc;
   border-bottom-color: #bbb;
   -webkit-border-radius: 4px;
@@ -1711,8 +1714,19 @@ table .span12 {
   -moz-box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05);
   box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05);
   cursor: pointer;
+  filter: progid:DXImageTransform.Microsoft.gradient(enabled = false);
   *margin-left: .3em;
 }
+.btn:hover,
+.btn:active,
+.btn.active,
+.btn.disabled,
+.btn[disabled] {
+  background-color: #e6e6e6;
+}
+.btn:active, .btn.active {
+  background-color: #cccccc \9;
+}
 .btn:first-child {
   *margin-left: 0;
 }

less/buttons.less

@@ -16,7 +16,7 @@
   text-align: center;
   text-shadow: 0 1px 1px rgba(255,255,255,.75);
   vertical-align: middle;
-  #gradient > .vertical-three-colors(@white, @white, 25%, darken(@white, 10%)); // Don't use .gradientbar() here since it does a three-color gradient
+  .buttonBackground(@white, darken(@white, 10%));
   border: 1px solid #ccc;
   border-bottom-color: #bbb;
   .border-radius(4px);
@@ -25,6 +25,7 @@
   cursor: pointer;
 
   // Give IE7 some love
+  .reset-filter();
   .ie7-restore-left-whitespace();
 }