Make alerts use variables better

less/alerts.less

@@ -9,10 +9,10 @@
 .alert {
   padding: 8px 35px 8px 14px;
   margin-bottom: @line-height-base;
-  color: @state-warning-text;
-  background-color: @state-warning-bg;
-  border: 1px solid @state-warning-border;
-  border-radius: @border-radius-base;
+  color: @alert-text;
+  background-color: @alert-bg;
+  border: 1px solid @alert-border;
+  border-radius: @alert-border-radius;
 
   // Headings for larger alerts
   h4 {
@@ -22,13 +22,13 @@
   }
   // Match the hr to the border of the alert
   hr {
-    border-top-color: darken(@state-warning-border, 5%);
+    border-top-color: darken(@alert-border, 5%);
   }
   // Inherit color for immediate links and bolden them some
   > a,
   > p > a {
     font-weight: 500;
-    color: darken(@state-warning-text, 10%);
+    color: darken(@alert-text, 10%);
   }
 
   // Adjust close link position
@@ -44,39 +44,39 @@
 // -------------------------
 
 .alert-success {
-  background-color: @state-success-bg;
-  border-color: @state-success-border;
-  color: @state-success-text;
+  background-color: @alert-success-bg;
+  border-color: @alert-success-border;
+  color: @alert-success-text;
   hr {
-    border-top-color: darken(@state-success-border, 5%);
+    border-top-color: darken(@alert-success-border, 5%);
   }
   > a,
   > p > a {
-    color: darken(@state-success-text, 10%);
+    color: darken(@alert-success-text, 10%);
   }
 }
 .alert-danger {
-  background-color: @state-danger-bg;
-  border-color: @state-danger-border;
-  color: @state-danger-text;
+  background-color: @alert-danger-bg;
+  border-color: @alert-danger-border;
+  color: @alert-danger-text;
   hr {
-    border-top-color: darken(@state-danger-border, 5%);
+    border-top-color: darken(@alert-danger-border, 5%);
   }
   > a,
   > p > a {
-    color: darken(@state-danger-text, 10%);
+    color: darken(@alert-danger-text, 10%);
   }
 }
 .alert-info {
-  background-color: @state-info-bg;
-  border-color: @state-info-border;
-  color: @state-info-text;
+  background-color: @alert-info-bg;
+  border-color: @alert-info-border;
+  color: @alert-info-text;
   hr {
-    border-top-color: darken(@state-info-border, 5%);
+    border-top-color: darken(@alert-info-border, 5%);
   }
   > a,
   > p > a {
-    color: darken(@state-info-text, 10%);
+    color: darken(@alert-info-text, 10%);
   }
 }
 

less/variables.less

@@ -277,6 +277,25 @@
 @modal-title-padding:         15px;
 @modal-title-line-height:     @line-height-base;
 
+// Alerts
+// -------------------------
+@alert-bg:                    @state-warning-bg;
+@alert-text:                  @state-warning-text;
+@alert-border:                @state-warning-border;
+@alert-border-radius:         @border-radius-base;
+
+@alert-success-bg:            @state-success-bg;
+@alert-success-text:          @state-success-text;
+@alert-success-border:        @state-success-border;
+
+@alert-danger-bg:             @state-danger-bg;
+@alert-danger-text:           @state-danger-text;
+@alert-danger-border:         @state-danger-border;
+
+@alert-info-bg:               @state-info-bg;
+@alert-info-text:             @state-info-text;
+@alert-info-border:           @state-info-border;
+
 
 // Progress bars
 // -------------------------