rewrite alerts and progress bars sections

docs/assets/css/bootstrap.css

@@ -3169,10 +3169,6 @@ input[type="submit"].btn.btn-mini {
           border-radius: 4px;
 }
 
-.alert-heading {
-  color: inherit;
-}
-
 .alert .close {
   position: relative;
   top: -2px;

docs/assets/css/docs.css

@@ -739,7 +739,10 @@ form.well {
 .bs-docs-example p:last-child {
   margin-bottom: 0;
 }
-.bs-docs-example .table {
+.bs-docs-example .table,
+.bs-docs-example .progress,
+.bs-docs-example .well,
+.bs-docs-example .alert {
   margin-bottom: 5px;
 }
 form.bs-docs-example {

less/alerts.less

@@ -11,9 +11,6 @@
   .border-radius(4px);
   color: @warningText;
 }
-.alert-heading {
-  color: inherit;
-}
 
 // Adjust close link position
 .alert .close {
@@ -28,7 +25,7 @@
 
 .alert-success {
   background-color: @successBackground;
-  border-color: @successBorder;  
+  border-color: @successBorder;
   color: @successText;
 }
 .alert-danger,