diff --git a/src/config/mod.rs b/src/config/mod.rs
index a06e163..c8d2d96 100644
--- a/src/config/mod.rs
+++ b/src/config/mod.rs
@@ -14,6 +14,7 @@ pub struct Config {
     pub extension: String,
     pub headings: Headings,
     pub links_classes: String,
+    pub file_tree_title_classes: String,
 }
 
 pub struct Headings {
@@ -141,6 +142,11 @@ pub fn parse(yaml_str: &String) -> Result<Config, String> {
         _ => String::from(""),
     };
 
+    let file_tree_title_classes = match config_yaml.get(ystr!("file_tree_title_classes")) {
+        Some(Yaml::String(input)) => input.clone(),
+        _ => String::from(""),
+    };
+
 
     Ok(Config {
         input: input_folder.clone(),
@@ -149,6 +155,7 @@ pub fn parse(yaml_str: &String) -> Result<Config, String> {
         extension: file_extension,
         headings: headings_yaml,
         links_classes: link_classes,
+        file_tree_title_classes,
     })
 }
 
diff --git a/src/generator/heading.rs b/src/generator/heading.rs
index 022bc2e..de54c8f 100644
--- a/src/generator/heading.rs
+++ b/src/generator/heading.rs
@@ -28,7 +28,7 @@ impl Printable for Heading {
 
             format!(
                 "<h{} id=\"{}\" class=\"heading-linked {}\"><a href=\"#{}\">{}</a></h{}>",
-                self.depth, extra_classes, html_fragment_text, html_fragment_text, text, self.depth
+                self.depth, html_fragment_text, extra_classes, html_fragment_text, text, self.depth
             )
         } else {
             format!("<h{}>{}</h{}>", self.depth, text, self.depth)
diff --git a/src/pages/mod.rs b/src/pages/mod.rs
index 38ddf2f..fa420c8 100644
--- a/src/pages/mod.rs
+++ b/src/pages/mod.rs
@@ -122,9 +122,10 @@ pub fn generate_pages_html(file_tree: &Node, current_path: &Path, config: &Confi
             } else {
                 format!(
                     "<li class=\"my-1\">
-                    <div class=\"uppercase opacity-80 mt-6 font-semibold\">{}</div>
+                    <div class=\"opacity-80 mt-6 {}\">{}</div>
                     <ul>{}</ul>
                 </li>",
+                    &config.file_tree_title_classes,
                     folder.name,
                     sub_nodes_html.join("")
                 )