diff --git a/spring-boot-docs/src/main/docbook/css/manual.css b/spring-boot-docs/src/main/docbook/css/manual.css
index f8a520e0674..e442411eee4 100644
--- a/spring-boot-docs/src/main/docbook/css/manual.css
+++ b/spring-boot-docs/src/main/docbook/css/manual.css
@@ -311,3 +311,31 @@ div.navheader {
div.navfooter {
border-top: 1px solid #CCCCCC;
}
+
+.title {
+ margin-left: -1em;
+ padding-left: 1em;
+}
+
+.title>a {
+ position: absolute;
+ visibility: hidden;
+ display: block;
+ font-size: 0.85em;
+ margin-top: 0.05em;
+ margin-left: -1em;
+ vertical-align: text-top;
+ color: black;
+}
+
+.title>a:before {
+ content: "\00A7";
+}
+
+.title:hover>a,.title>a:hover,.title:hover>a:hover {
+ visibility: visible;
+}
+
+.title:focus>a,.title>a:focus,.title:focus>a:focus {
+ outline: 0;
+}
diff --git a/spring-boot-docs/src/main/docbook/xsl/html.xsl b/spring-boot-docs/src/main/docbook/xsl/html.xsl
index 64a0f577869..c12d2cec3dc 100644
--- a/spring-boot-docs/src/main/docbook/xsl/html.xsl
+++ b/spring-boot-docs/src/main/docbook/xsl/html.xsl
@@ -114,4 +114,27 @@ under the License.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ #
+
+
+
+
+
+