diff --git a/src/classes/form_builder/html_form.php b/src/classes/form_builder/html_form.php
index 7a09bc5..c024727 100644
--- a/src/classes/form_builder/html_form.php
+++ b/src/classes/form_builder/html_form.php
@@ -15,6 +15,7 @@ use CodeHydrater\enums\form_input_types as FORM_TYPE;
 
 class html_form {
     private $output = "";
+    private int $tabs = 0;
     private bool $escape = true;
     
     public function __construct(protected Helper $html = new Helper()) {}
@@ -27,8 +28,33 @@ class html_form {
         $this->escape = $escape;
     }
     
-    private function append_out(?string $out, int $tabs = 2): ?string {
-        $this->output .= str_repeat("\t", $tabs) . $out . PHP_EOL;
+    public function set_tabs(int $tabs = 2) {
+        if ($tabs >= 0 && $tabs <= 10) {
+            $this->tabs = $tabs;
+        }        
+    }
+
+    public function dec_tabs() {
+        if ($this->tabs > 1) {
+            $this->tabs -= 1;
+        }
+    }
+
+    public function inc_tabs() {
+        if ($this->tabs <= 10) {
+            $this->tabs += 1;
+        }
+    }
+    
+    private function append_out(?string $out, string $do = ""): ?string {
+        $output = str_repeat("\t", $this->tabs) . $out . PHP_EOL;
+        $this->output .= $output;
+        if ($do === "inc") {
+            $this->inc_tabs();
+        }
+        if ($do === "dev") {
+            $this->dec_tabs();
+        }
         return $out;
     }
     
@@ -116,17 +142,20 @@ class html_form {
 
     public function close(): string
     {
-        return $this->append_out('</form>', 0);
+        $this->tabs = 0;
+        return $this->append_out('</form>');
     }
 
     public function fieldset_close(): string
     {
+        $this->dec_tabs();
         return $this->append_out('</fieldset>');
     }
 
     public function fieldset_open(array $options = []): string
     {
-        return $this->append_out('<fieldset'.$this->html->attributes($options).'>');
+        $this->inc_tabs();
+        return $this->append_out('<fieldset'.$this->html->attributes($options).'>', "inc");
     }
 
     public function input(string|null $name = null, array $options = []): string
@@ -142,11 +171,12 @@ class html_form {
     
     public function open_div(array $options = []): string
     {
-        return $this->append_out('<div'.$this->html->attributes($options).'>');
+        return $this->append_out('<div'.$this->html->attributes($options).'>', "inc");
     }
 
     public function close_div(): string
     {
+        $this->dec_tabs();
         return $this->append_out('</div>');
     }    
 
@@ -169,7 +199,8 @@ class html_form {
         $options['method'] ??= 'post';
         $options['accept-charset'] ??= $this->html->get_charset();
 
-        return $this->append_out('<form'.$this->html->attributes($options).'>', 0);
+        $this->tabs = 0;
+        return $this->append_out('<form'.$this->html->attributes($options).'>');
     }
 
     public function open_multipart(string|null $action = null, array $options = []): string