no gradients on alerts for <= ie8

diff --git a/lib/patterns.less b/lib/patterns.less
index 6ff55f1325e2d96e7cad4a0f861339cb748f3db3..c9d4eec2ac3ba33acf778236f3c5eec3ca380c76 100644 (file)
--- a/lib/patterns.less
+++ b/lib/patterns.less
@@ -291,6 +291,8 @@ div.page-header {
 // One-liner alert bars
 div.alert-message {
   #gradient > .vertical(transparent, rgba(0,0,0,0.15));
+  -ms-filter: "progid:DXImageTransform.Microsoft.gradient(enabled=false)"; // no gradient IE8+
+  filter: "progid:DXImageTransform.Microsoft.gradient(enabled=false)";  // no gradient IE6 & IE7
   background-color: @grayLighter;
   margin-bottom: @baseline;
   padding: 8px 15px;