diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..05a23c2
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2018 izica
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/PhpStyles.php b/PhpStyles.php
new file mode 100644
index 0000000..651a56d
--- /dev/null
+++ b/PhpStyles.php
@@ -0,0 +1,110 @@
+<?php
+
+/**
+ * Class PhpStylesInline
+ */
+class PhpStyles
+{
+    /**
+     * @var string
+     */
+    public $styles = [];
+    private $classname = '';
+    private $media = false;
+    private $mediaFrom = '';
+    private $mediaTo = '';
+
+
+    public function inline()
+    {
+        return new PhpStylesInline();
+    }
+
+    /**
+     * @param bool $condition
+     * @return string
+     */
+
+    public function render($condition = true)
+    {
+        if (!$condition) {
+            return '';
+        }
+        $this->classname = uniqid('php-styles-');
+
+        $array = [];
+        foreach ($this->styles as $key => $value) {
+            $array[$key] = $key . ': ' . $value;
+        }
+        $css = implode(';', $array);
+        echo "<style>";
+        if($this->media){
+            echo "@media (min-width: {$this->mediaFrom}px) and (max-width: {$this->mediaTo}px) {";
+        }
+        echo ".{$this->classname}{";
+        echo $css;
+        echo '}';
+        if($this->media) {
+            echo '}';
+        }
+        echo "</style>";
+
+        return $this->classname;
+    }
+
+    /**
+     * @return string
+     */
+    public function media($minWidth = 0, $maxWidth = 9999)
+    {
+        $this->media = true;
+        $this->mediaFrom =$minWidth;
+        $this->mediaTo = $maxWidth;
+        return $this;
+    }
+
+    /**
+     * @param $key
+     * @param $value
+     * @param $condition
+     * @return $this
+     */
+    public function set($key, $value, $condition = true)
+    {
+        if ($condition) {
+            $this->styles[$key] = $value;
+        }
+        return $this;
+    }
+
+    /**
+     * @param $value
+     * @param $condition
+     * @return $this
+     */
+    public function opacity($value, $condition)
+    {
+        return $this->set('opacity', $value, $condition);
+    }
+}
+
+/**
+ * Class PhpStyles
+ */
+class PhpStylesInline extends PhpStyles
+{
+    public function render($condition = true)
+    {
+        if (!$condition) {
+            return '';
+        }
+
+        $css = '';
+        $array = [];
+        foreach ($this->styles as $key => $value) {
+            $array[$key] = $key . ': ' . $value;
+        }
+        $css = implode(';', $array);
+        return "style='{$css}'";
+    }
+}
diff --git a/PhpStylesInline.php b/PhpStylesInline.php
new file mode 100644
index 0000000..45ed1be
--- /dev/null
+++ b/PhpStylesInline.php
@@ -0,0 +1,23 @@
+<?php
+require_once('PhpStyles.php');
+
+/**
+ * Class PhpStyles
+ */
+class PhpStylesInline extends PhpStyles
+{
+    public function render($condition = true)
+    {
+        if (!$condition) {
+            return '';
+        }
+
+        $css = '';
+        $array = [];
+        foreach ($this->styles as $key => $value) {
+            $array[$key] = $key . ': ' . $value;
+        }
+        $css = implode(';', $array);
+        return "style='{$css}'";
+    }
+}
diff --git a/README.md b/README.md
index 643f4c8..ce28fa2 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,50 @@
-# php-css-styles
\ No newline at end of file
+![browser screen](https://raw.githubusercontent.com/izica/php-browser-log/master/screen.png "browser screen")
+## Install
+```
+composer require izica/php-styles
+```
+
+## Usage
+generate inline tag style
+```php
+    $sStyles = (new PhpStylesInline())->opacity(0, $sContact == '')->render();
+    or
+    $sStyles = styles(true)->opacity(0, $sContact == '')->render();
+    or
+    $sStyles = styles()->inline->opacity(0, $sContact == '')->render();
+```
+insert style
+```html
+    <div <?=$sStyles?>>
+        <?=$sContact;?>
+    </div>
+```
+
+generate style with class(class styles supports media query)
+```php
+    $sClassname = (new PhpStyles())->media(0, 1024)->opacity(0, $sContact == '')->render();
+    or
+    $sClassname = styles()->media(0, 1024)->opacity(0, $sContact == '')->render();
+```
+
+insert style
+```html
+    <div class="<?=$sClassname?>">
+        <?=$sContact;?>
+    </div>
+```
+
+## Documentation
+* styles() - returns PhpStyles
+* styles(true) - returns PhpStylesInline
+* PhpStyles
+    * inline() - returns PhpStyles
+    * media(sizeFrom: number, sizeTo: number)
+    * set(key: string, value: string or number, condition: bool(not required)) - returns $this(if condition == false, not set)
+    * render(condition: bool(not required))- returns unique class name(if condition == false, returns empty string)
+    * opacity(value, condition(not required))
+* PhpStylesInline
+    * media(sizeFrom: number, sizeTo: number)
+    * set(key: string, value: string or number, condition: bool(not required)) - returns $this(if condition == false, not set)
+    * render(condition: bool(not required))- returns unique class name(if condition == false, returns empty string)
+    * opacity(value, condition(not required))
diff --git a/composer.json b/composer.json
new file mode 100644
index 0000000..5d8f7ff
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,24 @@
+{
+    "name": "izica/php-styles",
+    "description": "inline css styles generator(conditions support)",
+    "authors": [
+        {
+            "name": "Golovarchuk Artyom",
+            "email": "artemiztomska@gmail.com"
+        }
+    ],
+    "keywords": ["css", "php", "css-inline", "generator", "styles"],
+    "license": "MIT",
+    "require": {
+        "php": ">=5.6.0"
+    },
+    "autoload": {
+        "classmap": [
+            "PhpStyles.php",
+            "PhpStylesInline.php"
+        ],
+        "files": [
+            "styles.php"
+        ]
+    }
+}
diff --git a/styles.php b/styles.php
new file mode 100644
index 0000000..3804919
--- /dev/null
+++ b/styles.php
@@ -0,0 +1,14 @@
+<?
+require_once('PhpStyles.php');
+require_once('PhpStylesInline.php');
+
+/**
+ * @return PhpStylesInline
+ */
+function styles($inline = false)
+{
+    if($inline){
+        return new PhpStylesInline();
+    }
+    return new PhpStyles();
+}