diff --git a/README.md b/README.md
index f13a9ad..c653f8c 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,3 @@
 # html-object-strings
 
+An HTML string-building library, used for building HTML strings from simple and easy-to-use objects.
diff --git a/src/GenericTag.php b/src/GenericTag.php
index 562c24a..fa8a561 100644
--- a/src/GenericTag.php
+++ b/src/GenericTag.php
@@ -2,18 +2,13 @@
 /* HTML Object Strings | https://gitlab.com/byjoby/html-object-strings | MIT License */
 namespace HtmlObjectStrings;
 
-class GenericTag implements HtmlInterface
+class GenericTag implements TagInterface
 {
+    use TagTrait;
+
     const TAG = 'span';
     const SELFCLOSING = false;
 
-    public $tag = 'span';
-    public $selfClosing = false;
-    public $content = null;
-
-    protected $classes = [];
-    protected $attributes = [];
-
     public function __construct()
     {
         $this->htmlInit();
@@ -24,104 +19,4 @@ class GenericTag implements HtmlInterface
         $this->tag = static::TAG;
         $this->selfClosing = static::SELFCLOSING;
     }
-
-    protected function htmlContent()
-    {
-        if (is_array($this->content)) {
-            return implode(PHP_EOL, $this->content);
-        } else {
-            return $this->content;
-        }
-    }
-
-    protected function htmlAttributes()
-    {
-        $attr = $this->attributes;
-        if ($this->classes()) {
-            $attr['class'] = implode(' ', $this->classes());
-        }
-        return $attr;
-    }
-
-    public function addClass(string $name)
-    {
-        if (!$name) {
-            return;
-        }
-        $this->classes[] = $name;
-        $this->classes = array_unique($this->classes);
-        sort($this->classes);
-    }
-
-    public function hasClass(string $name) : bool
-    {
-        return in_array($name, $this->classes);
-    }
-
-    public function removeClass(string $name)
-    {
-        $this->classes = array_filter(
-            $this->classes,
-            function ($e) use ($name) {
-                return $e != $name;
-            }
-        );
-        sort($this->classes);
-    }
-
-    public function classes() : array
-    {
-        return $this->classes;
-    }
-
-    public function attr(string $name, $value = null)
-    {
-        if ($value === false) {
-            unset($this->attributes[$name]);
-            return null;
-        }
-        if ($value !== null) {
-            $this->attributes[$name] = $value;
-        }
-        return @$this->attributes[$name];
-    }
-
-    public function data(string $name, $value = null)
-    {
-        return $this->attr("data-$name", $value);
-    }
-
-    public function string() : string
-    {
-        $out = '';
-        //build opening tag
-        $out .= '<'.$this->tag;
-        //build attributes
-        if ($attr = $this->htmlAttributes()) {
-            foreach ($attr as $key => $value) {
-                if (!"$value") {
-                    $out .= " $key";
-                } else {
-                    $value = htmlspecialchars($value);
-                    $out .= " $key=\"$value\"";
-                }
-            }
-        }
-        //continue t close opening tag and add content and closing tag if needed
-        if ($this->selfClosing) {
-            $out .= ' />';
-        } else {
-            $out .= '>';
-            //build content
-            $out .= $this->htmlContent();
-            //build closing tag
-            $out .= '</'.$this->tag.'>';
-        }
-        return $out;
-    }
-
-    public function __toString()
-    {
-        return $this->string();
-    }
 }
diff --git a/src/HtmlInterface.php b/src/TagInterface.php
similarity index 95%
rename from src/HtmlInterface.php
rename to src/TagInterface.php
index 8b4d149..b52867d 100644
--- a/src/HtmlInterface.php
+++ b/src/TagInterface.php
@@ -2,7 +2,7 @@
 /* HTML Object Strings | https://gitlab.com/byjoby/html-object-strings | MIT License */
 namespace HtmlObjectStrings;
 
-interface HtmlInterface
+interface TagInterface
 {
     public function attr(string $name, $value = null);
     public function data(string $name, $value = null);
diff --git a/src/TagTrait.php b/src/TagTrait.php
new file mode 100644
index 0000000..430bf14
--- /dev/null
+++ b/src/TagTrait.php
@@ -0,0 +1,113 @@
+<?php
+/* HTML Object Strings | https://gitlab.com/byjoby/html-object-strings | MIT License */
+namespace HtmlObjectStrings;
+
+trait TagTrait
+{
+    public $tag = 'span';
+    public $selfClosing = false;
+    public $content = null;
+
+    protected $classes = [];
+    protected $attributes = [];
+
+    protected function htmlContent()
+    {
+        if (is_array($this->content)) {
+            return implode(PHP_EOL, $this->content);
+        } else {
+            return $this->content;
+        }
+    }
+
+    protected function htmlAttributes()
+    {
+        $attr = $this->attributes;
+        if ($this->classes()) {
+            $attr['class'] = implode(' ', $this->classes());
+        }
+        return $attr;
+    }
+
+    public function addClass(string $name)
+    {
+        if (!$name) {
+            return;
+        }
+        $this->classes[] = $name;
+        $this->classes = array_unique($this->classes);
+        sort($this->classes);
+    }
+
+    public function hasClass(string $name) : bool
+    {
+        return in_array($name, $this->classes);
+    }
+
+    public function removeClass(string $name)
+    {
+        $this->classes = array_filter(
+            $this->classes,
+            function ($e) use ($name) {
+                return $e != $name;
+            }
+        );
+        sort($this->classes);
+    }
+
+    public function classes() : array
+    {
+        return $this->classes;
+    }
+
+    public function attr(string $name, $value = null)
+    {
+        if ($value === false) {
+            unset($this->attributes[$name]);
+            return null;
+        }
+        if ($value !== null) {
+            $this->attributes[$name] = $value;
+        }
+        return @$this->attributes[$name];
+    }
+
+    public function data(string $name, $value = null)
+    {
+        return $this->attr("data-$name", $value);
+    }
+
+    public function string() : string
+    {
+        $out = '';
+        //build opening tag
+        $out .= '<'.$this->tag;
+        //build attributes
+        if ($attr = $this->htmlAttributes()) {
+            foreach ($attr as $key => $value) {
+                if (!"$value") {
+                    $out .= " $key";
+                } else {
+                    $value = htmlspecialchars($value);
+                    $out .= " $key=\"$value\"";
+                }
+            }
+        }
+        //continue t close opening tag and add content and closing tag if needed
+        if ($this->selfClosing) {
+            $out .= ' />';
+        } else {
+            $out .= '>';
+            //build content
+            $out .= $this->htmlContent();
+            //build closing tag
+            $out .= '</'.$this->tag.'>';
+        }
+        return $out;
+    }
+
+    public function __toString()
+    {
+        return $this->string();
+    }
+}