diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 299e8cb..7b0ad5e 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -27,7 +27,7 @@ repos:
       - id: clippy
         name: clippy
         language: system
-        entry: cargo clippy -- -W clippy::all -W clippy::pedantic
+        entry: cargo clippy -- -D clippy::all -D clippy::pedantic
         pass_filenames: false
         always_run: true
 
diff --git a/TODO.md b/TODO.md
index fa56e1b..bf05227 100644
--- a/TODO.md
+++ b/TODO.md
@@ -2,3 +2,5 @@
 
 * [X] ~~Сделать кнопку скопировать путь~~
 * [X] ~~Сделать кнопку скопировать путь вместе с командой (`note edit ...`)~~
+* [X] ~~Сделать отображение типа кода и кнопку скопировать код~~
+* [ ] Починить заголовки таблицы
diff --git a/src/main.rs b/src/main.rs
index a411824..f768b46 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -28,7 +28,6 @@ use syntect::parsing::SyntaxSet;
 
 use tower_http::trace::TraceLayer;
 use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt};
-use webbrowser;
 
 use clap::Parser;
 use std::io;
@@ -152,10 +151,8 @@ async fn main() {
 
     if args.browser {
         let mut url = format!("http://{actual_addr}");
-        if args.random {
-            if !state.is_root_file {
-                url = format!("{url}/random")
-            }
+        if args.random && !state.is_root_file {
+            url = format!("{url}/random");
         }
         let _ = webbrowser::open(url.as_str());
     }
@@ -185,12 +182,9 @@ async fn root_handler(State(state): State<AppState>) -> impl IntoResponse {
     }
 }
 
-async fn render_single_file(
-    file_path: &StdPath,
-) -> Result<NoteTemplate, StatusCode> {
-    let metadata = match fs::metadata(file_path).await {
-        Ok(m) => m,
-        Err(_) => return Err(StatusCode::NOT_FOUND),
+async fn render_single_file(file_path: &StdPath) -> Result<NoteTemplate, StatusCode> {
+    let Ok(metadata) = fs::metadata(file_path).await else {
+        return Err(StatusCode::NOT_FOUND);
     };
 
     if metadata.is_dir() {
@@ -203,9 +197,8 @@ async fn render_single_file(
         .unwrap_or("")
         .to_lowercase();
 
-    let content = match fs::read_to_string(file_path).await {
-        Ok(c) => c,
-        Err(_) => return Err(StatusCode::INTERNAL_SERVER_ERROR),
+    let Ok(content) = fs::read_to_string(file_path).await else {
+        return Err(StatusCode::INTERNAL_SERVER_ERROR);
     };
 
     let display_path = "";
@@ -216,12 +209,7 @@ async fn render_single_file(
     let html_content = if extension == "md" {
         markdown_to_html(&content, display_path)
     } else {
-        code_to_html(
-            &content,
-            extension.as_str(),
-            &ss,
-            &ts,
-        )
+        code_to_html(&content, extension.as_str(), &ss, &ts)
     };
 
     let filename = file_path
@@ -275,9 +263,8 @@ async fn serve_file(
         return Err(StatusCode::FORBIDDEN);
     }
 
-    let metadata = match fs::metadata(&safe_path).await {
-        Ok(m) => m,
-        Err(_) => return Err(StatusCode::NOT_FOUND),
+    let Ok(metadata) = fs::metadata(&safe_path).await else {
+        return Err(StatusCode::NOT_FOUND);
     };
 
     if metadata.is_dir() {
@@ -299,17 +286,15 @@ async fn serve_file(
     );
 
     if is_image {
-        let file_content = match fs::read(&safe_path).await {
-            Ok(content) => content,
-            Err(_) => return Err(StatusCode::INTERNAL_SERVER_ERROR),
+        let Ok(file_content) = fs::read(&safe_path).await else {
+            return Err(StatusCode::INTERNAL_SERVER_ERROR);
         };
         let mime_type = from_path(&safe_path).first_or_octet_stream();
         return Ok(([(header::CONTENT_TYPE, mime_type.as_ref())], file_content).into_response());
     }
 
-    let content = match fs::read_to_string(&safe_path).await {
-        Ok(c) => c,
-        Err(_) => return Err(StatusCode::INTERNAL_SERVER_ERROR),
+    let Ok(content) = fs::read_to_string(&safe_path).await else {
+        return Err(StatusCode::INTERNAL_SERVER_ERROR);
     };
 
     let ss = SyntaxSet::load_defaults_newlines();
@@ -318,12 +303,7 @@ async fn serve_file(
     let html_content = if extension == "md" {
         markdown_to_html(&content, &full_path)
     } else {
-        code_to_html(
-            &content,
-            extension.as_str(),
-            &ss,
-            &ts,
-        )
+        code_to_html(&content, extension.as_str(), &ss, &ts)
     };
 
     let filename = safe_path
@@ -365,9 +345,8 @@ async fn render_directory_index(
     dir_path: &StdPath,
     request_path: &str,
 ) -> Result<DirectoryTemplate, StatusCode> {
-    let mut entries = match fs::read_dir(dir_path).await {
-        Ok(list) => list,
-        Err(_) => return Err(StatusCode::FORBIDDEN),
+    let Ok(mut entries) = fs::read_dir(dir_path).await else {
+        return Err(StatusCode::FORBIDDEN);
     };
 
     let mut files: Vec<FileEntry> = Vec::new();
@@ -388,7 +367,7 @@ async fn render_directory_index(
         let link = if request_path.is_empty() {
             file_name.clone()
         } else {
-            format!("{}/{}", request_path, file_name)
+            format!("{request_path}/{file_name}")
         };
 
         files.push(FileEntry {
@@ -513,9 +492,8 @@ async fn random_file(State(state): State<AppState>) -> impl IntoResponse {
     let mut rng = rand::thread_rng();
     let random_path = files.choose(&mut rng).unwrap();
 
-    let relative_path = match random_path.strip_prefix(&state.root) {
-        Ok(p) => p,
-        Err(_) => return Err(StatusCode::INTERNAL_SERVER_ERROR),
+    let Ok(relative_path) = random_path.strip_prefix(&state.root) else {
+        return Err(StatusCode::INTERNAL_SERVER_ERROR);
     };
 
     let url_path = relative_path.to_string_lossy().replace('\\', "/");
diff --git a/src/markdown.rs b/src/markdown.rs
index d5a2f31..1f07f5b 100644
--- a/src/markdown.rs
+++ b/src/markdown.rs
@@ -3,6 +3,8 @@ use pulldown_cmark::{
     TextMergeStream,
 };
 
+use std::fmt::Write;
+
 pub fn markdown_to_html(markdown: &str, _file_path: &str) -> String {
     let mut options = Options::empty();
     options.insert(Options::ENABLE_TABLES);
@@ -51,21 +53,21 @@ pub fn markdown_to_html(markdown: &str, _file_path: &str) -> String {
             Event::Code(code) => {
                 html_output.push_str(format!("<code>{}</code>", escape_html(&code)).as_str());
             }
-            Event::SoftBreak => html_output.push_str(" "),
+            Event::SoftBreak => html_output.push(' '),
             Event::HardBreak => html_output.push_str("<br>"),
 
             Event::Html(html) => html_output.push_str(&html),
 
             Event::Rule => html_output.push_str("<hr>"),
 
-            Event::FootnoteReference(fref) => html_output.push_str(&format!(
-                "<sup><a href=\"#{}\" id=\"{}\"></a></sup>",
-                fref, fref
-            )),
+            Event::FootnoteReference(fref) => {
+                let _ = write!(
+                    html_output,
+                    "<sup><a href=\"#{fref}\" id=\"{fref}\"></a></sup>"
+                );
+            }
 
-            Event::InlineHtml(_) => (),
-            Event::InlineMath(_) => (),
-            Event::DisplayMath(_) => (),
+            Event::InlineHtml(_) | Event::InlineMath(_) | Event::DisplayMath(_) => (),
         }
     }
 
@@ -94,31 +96,30 @@ fn render_start_tag(tag: Tag<'_>) -> String {
             dest_url,
             title,
             ..
-        } => output.push_str(render_link(link_type, dest_url, title).as_str()),
+        } => output.push_str(render_link(link_type, &dest_url, &title).as_str()),
         Tag::Image {
             link_type,
             dest_url,
             title,
             ..
-        } => output.push_str(render_image(link_type, dest_url, title).as_str()),
+        } => output.push_str(render_image(link_type, &dest_url, &title).as_str()),
 
-        Tag::Table(_) => output.push_str("<table>"), // TODO: fix table
+        Tag::Table(_) => output.push_str("<table>"),
         Tag::TableHead => output.push_str("<thead>"),
         Tag::TableCell => output.push_str("<td>"),
         Tag::TableRow => output.push_str("<tr>"),
 
-        Tag::HtmlBlock => (), // TODO: implement
-
         Tag::FootnoteDefinition(fref) => {
-            output.push_str(&format!("<sup><a href=\"#{}\" id=\"{}\">", fref, fref))
+            let _ = write!(output, "<sup><a href=\"#{fref}\" id=\"{fref}\">");
         }
 
-        Tag::DefinitionList => (),
-        Tag::DefinitionListTitle => (),
-        Tag::DefinitionListDefinition => (),
-        Tag::Superscript => (),
-        Tag::Subscript => (),
-        Tag::MetadataBlock(_) => (),
+        Tag::HtmlBlock
+        | Tag::DefinitionList
+        | Tag::DefinitionListTitle
+        | Tag::DefinitionListDefinition
+        | Tag::Superscript
+        | Tag::Subscript
+        | Tag::MetadataBlock(_) => (),
     }
 
     output
@@ -137,7 +138,7 @@ fn render_end_tag(tag: TagEnd) -> String {
         TagEnd::List(false) => output.push_str("</ul>"),
         TagEnd::Item => output.push_str("</li>"),
         TagEnd::Paragraph => output.push_str("</p>"),
-        TagEnd::CodeBlock => output.push_str("</code></pre>"),
+        TagEnd::CodeBlock => output.push_str("</code></pre></div>"),
         TagEnd::Emphasis => output.push_str("</em>"),
         TagEnd::Strong => output.push_str("</strong>"),
         TagEnd::BlockQuote(_) => output.push_str("</blockquote>"),
@@ -150,78 +151,81 @@ fn render_end_tag(tag: TagEnd) -> String {
         TagEnd::TableRow => output.push_str("</tr>"),
 
         TagEnd::FootnoteDefinition => output.push_str("</a></sup>"),
-        TagEnd::HtmlBlock => (), // TODO: implement
 
-        TagEnd::DefinitionList => (),
-        TagEnd::DefinitionListTitle => (),
-        TagEnd::DefinitionListDefinition => (),
-        TagEnd::Superscript => (),
-        TagEnd::Subscript => (),
-        TagEnd::MetadataBlock(_) => (),
+        TagEnd::HtmlBlock
+        | TagEnd::DefinitionList
+        | TagEnd::DefinitionListTitle
+        | TagEnd::DefinitionListDefinition
+        | TagEnd::Superscript
+        | TagEnd::Subscript
+        | TagEnd::MetadataBlock(_) => (),
     }
 
     output
 }
 
 fn render_codeblock(block_kind: CodeBlockKind<'_>) -> String {
+    let header = String::from(
+        r#"
+        <div class="code-block-wrapper">
+            <div class="code-header">
+                <span class="code-lang">%CODE%</span> <button class="copy-btn" onclick="copyCode(this)">Copy</button>
+            </div>
+    <pre>"#,
+    );
+
+    let mut output = String::new();
+
     match block_kind {
-        CodeBlockKind::Indented => "<pre><code>".to_string(),
+        CodeBlockKind::Indented => {
+            output.push_str(&header.replace("%CODE%", "code"));
+            output.push_str("<code>");
+        }
+
         CodeBlockKind::Fenced(CowStr::Borrowed("mermaid")) => {
-            "<pre><code class=\"language-text mermaid\">".to_string()
+            output.push_str(&header.replace("%CODE%", "mermaid"));
+            output.push_str("<code class=\"language-text mermaid\">");
         }
+
         CodeBlockKind::Fenced(CowStr::Borrowed("rawmermaid")) => {
-            "<pre><code class=\"language-text\">".to_string()
+            output.push_str(&header.replace("%CODE%", "mermaid"));
+            output.push_str("<code class=\"language-text\">");
+        }
+
+        CodeBlockKind::Fenced(code_type) => {
+            output.push_str(&header.replace("%CODE%", &code_type));
+            output.push_str(format!("<code class=\"language-{code_type}\">").as_str());
         }
-        CodeBlockKind::Fenced(code_type) => format!("<pre><code class=\"language-{}\">", code_type),
     }
+
+    output
 }
 
 fn render_blockquote(quote_kind: Option<BlockQuoteKind>) -> String {
-    match quote_kind {
-        None => {
-            "<blockquote>".to_string()
-        },
-        Some(BlockQuoteKind::Note) => "<blockquote><div class=\"markdown-alert markdown-alert-note\"><p class=\"markdown-alert-title\">Note</p>".to_string(),
-        Some(BlockQuoteKind::Tip) => "<blockquote><div class=\"markdown-alert markdown-alert-tip\"><p class=\"markdown-alert-title\">Tip</p>".to_string(),
-        Some(BlockQuoteKind::Important) =>"<blockquote><div class=\"markdown-alert markdown-alert-important\"><p class=\"markdown-alert-title\">Important</p>".to_string(),
-        Some(BlockQuoteKind::Warning) => "<blockquote><div class=\"markdown-alert markdown-alert-warning\"><p class=\"markdown-alert-title\">Warning</p>".to_string(),
-        Some(BlockQuoteKind::Caution) => "<blockquote><div class=\"markdown-alert markdown-alert-caution\"><p class=\"markdown-alert-title\">Caution</p>".to_string(),
-    }
+    let alert_class_and_title = match quote_kind {
+        None => return "<blockquote>".to_string(),
+        Some(BlockQuoteKind::Note) => ("note", "Note"),
+        Some(BlockQuoteKind::Tip) => ("tip", "Tip"),
+        Some(BlockQuoteKind::Important) => ("important", "Important"),
+        Some(BlockQuoteKind::Warning) => ("warning", "Warning"),
+        Some(BlockQuoteKind::Caution) => ("caution", "Caution"),
+    };
+
+    format!(
+        "<blockquote><div class=\"markdown-alert markdown-alert-{}\"><p class=\"markdown-alert-title\">{}</p>",
+        alert_class_and_title.0, alert_class_and_title.1
+    )
 }
-fn render_link(link_type: LinkType, dest_url: CowStr<'_>, title: CowStr<'_>) -> String {
+
+fn render_link(link_type: LinkType, dest_url: &CowStr<'_>, title: &CowStr<'_>) -> String {
     match link_type {
-        LinkType::Inline => format!("<a href=\"{}\" title=\"{}\">", dest_url, title),
-        LinkType::Reference => format!("<a href=\"{}\" title=\"{}\">", dest_url, title),
-        LinkType::ReferenceUnknown => format!("<a href=\"{}\" title=\"{}\">", dest_url, title),
-        LinkType::Collapsed => format!("<a href=\"{}\" title=\"{}\">", dest_url, title),
-        LinkType::CollapsedUnknown => format!("<a href=\"{}\" title=\"{}\">", dest_url, title),
-        LinkType::Shortcut => format!("<a href=\"{}\" title=\"{}\">", dest_url, title),
-        LinkType::ShortcutUnknown => format!("<a href=\"{}\" title=\"{}\">", dest_url, title),
-        LinkType::Autolink => format!("<a href=\"{}\" title=\"{}\">", dest_url, title),
-        LinkType::Email => format!("<a href=\"{}\" title=\"{}\">", dest_url, title),
-        LinkType::WikiLink { has_pothole: _ } => {
-            // TODO: refactor
-            format!("<a href=\"{}\" title=\"{}\">", dest_url, title)
-        }
+        LinkType::Email => format!("<a href=\"mailto:{dest_url}\" title=\"{title}\">"),
+        _ => format!("<a href=\"{dest_url}\" title=\"{title}\">"),
     }
 }
 
-fn render_image(link_type: LinkType, dest_url: CowStr<'_>, title: CowStr<'_>) -> String {
-    match link_type {
-        LinkType::Inline => format!("<img src=\"{}\" alt=\"{}\">", dest_url, title),
-        LinkType::Reference => format!("<img src=\"{}\" title=\"{}\">", dest_url, title),
-        LinkType::ReferenceUnknown => format!("<img src=\"{}\" alt=\"{}\">", dest_url, title),
-        LinkType::Collapsed => format!("<img src=\"{}\" alt=\"{}\">", dest_url, title),
-        LinkType::CollapsedUnknown => format!("<img src=\"{}\" alt=\"{}\">", dest_url, title),
-        LinkType::Shortcut => format!("<img src=\"{}\" alt=\"{}\">", dest_url, title),
-        LinkType::ShortcutUnknown => format!("<img src=\"{}\" alt=\"{}\">", dest_url, title),
-        LinkType::Autolink => format!("<img src=\"{}\" alt=\"{}\">", dest_url, title),
-        LinkType::Email => format!("<img src=\"{}\" alt=\"{}\">", dest_url, title),
-        LinkType::WikiLink { has_pothole: _ } => {
-            // TODO: refactor
-            format!("<img src=\"{}\" alt=\"{}\">", dest_url, title)
-        }
-    }
+fn render_image(_link_type: LinkType, dest_url: &CowStr<'_>, title: &CowStr<'_>) -> String {
+    format!("<img src=\"{dest_url}\" alt=\"{title}\">")
 }
 
 fn escape_html(text: &str) -> String {
diff --git a/src/other.rs b/src/other.rs
index 0e4a66e..f5e6e3b 100644
--- a/src/other.rs
+++ b/src/other.rs
@@ -8,8 +8,8 @@ use syntect::parsing::SyntaxSet;
 /// # Аргументы
 /// * `code` - Исходный код как строка.
 /// * `lang` - Идентификатор языка (например, "rust", "python", "mermaid").
-/// * `ss` - Набор синтаксисов (SyntaxSet).
-/// * `ts` - Набор тем (ThemeSet).
+/// * `ss` - Набор синтаксисов (`SyntaxSet`).
+/// * `ts` - Набор тем (`ThemeSet`).
 ///
 /// # Возвращает
 /// Строку HTML, содержащую обертку блока кода с заголовком и кнопкой копирования.
@@ -32,30 +32,28 @@ pub fn code_to_html(code: &str, lang: &str, ss: &SyntaxSet, ts: &ThemeSet) -> St
     let lang_display = if lang.is_empty() { "text" } else { lang };
     let lang_escaped = escape_html(lang_display);
 
-    let highlighted_html = if !lang.is_empty() {
-        if let Some(syntax) = ss.find_syntax_by_token(lang) {
-            let mut h = HighlightLines::new(syntax, theme);
-            let mut result_html = String::new();
+    let highlighted_html = if lang.is_empty() {
+        escape_html(code)
+    } else if let Some(syntax) = ss.find_syntax_by_token(lang) {
+        let mut h = HighlightLines::new(syntax, theme);
+        let mut result_html = String::new();
 
-            for line in code.lines() {
-                let line_with_newline = format!("{line}\n");
+        for line in code.lines() {
+            let line_with_newline = format!("{line}\n");
 
-                match h.highlight_line(&line_with_newline, ss) {
-                    Ok(regions) => {
-                        match styled_line_to_highlighted_html(&regions[..], IncludeBackground::No) {
-                            Ok(html_line) => result_html.push_str(&html_line),
-                            Err(_) => result_html.push_str(&escape_html(&line_with_newline)),
-                        }
-                    }
-                    Err(_) => {
-                        result_html.push_str(&escape_html(&line_with_newline));
+            match h.highlight_line(&line_with_newline, ss) {
+                Ok(regions) => {
+                    match styled_line_to_highlighted_html(&regions[..], IncludeBackground::No) {
+                        Ok(html_line) => result_html.push_str(&html_line),
+                        Err(_) => result_html.push_str(&escape_html(&line_with_newline)),
                     }
                 }
+                Err(_) => {
+                    result_html.push_str(&escape_html(&line_with_newline));
+                }
             }
-            result_html
-        } else {
-            escape_html(code)
         }
+        result_html
     } else {
         escape_html(code)
     };
diff --git a/templates/base.html b/templates/base.html
index 159ad38..cead784 100644
--- a/templates/base.html
+++ b/templates/base.html
@@ -55,6 +55,7 @@
             overflow: hidden;
             background-color: #2b303b;
         }
+
         .code-header {
             display: flex;
             justify-content: space-between;