fix #694: no more black hover link texts in 36c3 themes

resources/assets/themes/theme12.less

@@ -498,21 +498,21 @@ THE SOFTWARE.
 //
 //## Define colors for form feedback states and, by default, alerts.
 
-@state-success-text:             #000;
+@state-success-text:             @brand-success;
-@state-success-bg:               @brand-success;
+@state-success-bg:               darken(@brand-success, 40%);
-@state-success-border:           darken(@state-success-bg, 5%);
+@state-success-border:           @brand-success;
 
-@state-info-text:                #000;
+@state-info-text:                @brand-info;
-@state-info-bg:                  @brand-info;
+@state-info-bg:                  darken(@brand-info, 40%);
-@state-info-border:              darken(@state-info-bg, 7%);
+@state-info-border:              @brand-info;
 
-@state-warning-text:             #000;
+@state-warning-text:             @brand-warning;
-@state-warning-bg:               @brand-warning;
+@state-warning-bg:               darken(@brand-warning, 40%);
-@state-warning-border:           darken(@state-warning-bg, 3%);
+@state-warning-border:           @brand-warning;
 
-@state-danger-text:              @gray-lighter;
+@state-danger-text:              @brand-danger;
-@state-danger-bg:                @brand-danger;
+@state-danger-bg:                darken(@brand-danger, 40%);
-@state-danger-border:            darken(@state-danger-bg, 3%);
+@state-danger-border:            @brand-danger;
 
 
 //== Tooltips