diff --git a/docs/assets/css/bootstrap.css b/docs/assets/css/bootstrap.css
index b9865ee09a..b00f7a4e8d 100644
--- a/docs/assets/css/bootstrap.css
+++ b/docs/assets/css/bootstrap.css
@@ -2550,8 +2550,8 @@ fieldset[disabled] .btn-link:hover {
   color: #000;
   text-decoration: none;
   cursor: pointer;
-  opacity: 0.4;
-  filter: alpha(opacity=40);
+  opacity: 0.5;
+  filter: alpha(opacity=50);
 }
 
 button.close {
@@ -4058,6 +4058,62 @@ button.close {
   border-right-width: 0;
 }
 
+.alert {
+  padding: 8px 35px 8px 14px;
+  margin-bottom: 20px;
+  color: #c09853;
+  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.5);
+  background-color: #fcf8e3;
+  border: 1px solid #fbeed5;
+  border-radius: 4px;
+}
+
+.alert h4 {
+  margin-top: 0;
+  color: inherit;
+}
+
+.alert .close {
+  position: relative;
+  top: -2px;
+  right: -21px;
+  line-height: 20px;
+  color: inherit;
+}
+
+.alert-success {
+  color: #468847;
+  background-color: #dff0d8;
+  border-color: #d6e9c6;
+}
+
+.alert-danger,
+.alert-error {
+  color: #b94a48;
+  background-color: #f2dede;
+  border-color: #eed3d7;
+}
+
+.alert-info {
+  color: #3a87ad;
+  background-color: #d9edf7;
+  border-color: #bce8f1;
+}
+
+.alert-block {
+  padding-top: 14px;
+  padding-bottom: 14px;
+}
+
+.alert-block > p,
+.alert-block > ul {
+  margin-bottom: 0;
+}
+
+.alert-block p + p {
+  margin-top: 5px;
+}
+
 .thumbnail {
   display: block;
   padding: 4px;
diff --git a/docs/assets/css/docs.css b/docs/assets/css/docs.css
index 96bf2a8dcf..38fd87a443 100644
--- a/docs/assets/css/docs.css
+++ b/docs/assets/css/docs.css
@@ -264,7 +264,8 @@ section > ul li {
 .bs-docs-example > select:last-child,
 .bs-docs-example > textarea:last-child,
 .bs-docs-example > .table:last-child,
-.bs-docs-example > .jumbotron:last-child {
+.bs-docs-example > .jumbotron:last-child,
+.bs-docs-example > .alert:last-child {
   margin-bottom: 0;
 }
 
diff --git a/less/alerts.less b/less/alerts.less
index 34a830ce20..b76d810849 100644
--- a/less/alerts.less
+++ b/less/alerts.less
@@ -10,17 +10,15 @@
   padding: 8px 35px 8px 14px;
   margin-bottom: @line-height-base;
   text-shadow: 0 1px 0 rgba(255,255,255,.5);
+  color: @state-warning-text;
   background-color: @state-warning-background;
   border: 1px solid @state-warning-border;
   border-radius: @border-radius-base;
 }
-.alert,
 .alert h4 {
+  margin-top: 0;
   // Specified for the h4 to prevent conflicts of changing @headingsColor
-  color: @state-warning-text;
-}
-.alert h4 {
-  margin: 0;
+  color: inherit;
 }
 
 // Adjust close link position
@@ -29,9 +27,9 @@
   top: -2px;
   right: -21px;
   line-height: @line-height-base;
+  color: inherit;
 }
 
-
 // Alternate styles
 // -------------------------
 
@@ -40,28 +38,17 @@
   border-color: @state-success-border;
   color: @state-success-text;
 }
-.alert-success h4 {
-  color: @state-success-text;
-}
 .alert-danger,
 .alert-error {
   background-color: @state-error-background;
   border-color: @state-error-border;
   color: @state-error-text;
 }
-.alert-danger h4,
-.alert-error h4 {
-  color: @state-error-text;
-}
 .alert-info {
   background-color: @state-info-background;
   border-color: @state-info-border;
   color: @state-info-text;
 }
-.alert-info h4 {
-  color: @state-info-text;
-}
-
 
 // Block alerts
 // -------------------------
diff --git a/less/bootstrap.less b/less/bootstrap.less
index a0a2e868a2..2fd0b84385 100644
--- a/less/bootstrap.less
+++ b/less/bootstrap.less
@@ -46,6 +46,7 @@
 @import "popovers.less";
 
 // Components: Misc
+@import "alerts.less";
 @import "thumbnails.less";
 @import "media.less";
 @import "badges.less";
diff --git a/less/close.less b/less/close.less
index d0403f93ed..cda5a24671 100644
--- a/less/close.less
+++ b/less/close.less
@@ -15,7 +15,7 @@
     color: #000;
     text-decoration: none;
     cursor: pointer;
-    .opacity(40);
+    .opacity(50);
   }
 }