diff --git a/.browserslistrc b/.browserslistrc
new file mode 100644
index 0000000..7ee2fc8
--- /dev/null
+++ b/.browserslistrc
@@ -0,0 +1,4 @@
+> 1.5%
+Firefox ESR
+last 2 versions
+not dead
diff --git a/README.md b/README.md
index 44c8313..37a6a71 100644
--- a/README.md
+++ b/README.md
@@ -16,41 +16,70 @@
 ## Table of Contents
 
 -   [This Config](#this-config)
+    -   [Extends](#extends)
+    -   [Plugins](#plugins)
+    -   [Rules](#rules)
+
 -   [Installation](#installation)
+
 -   [Usage](#usage)
+
 -   [License](#license)
 
 ## This Config
 
+### Extends
+
 -   Extends the [**`stylelint-config-standard-scss`** shared config](https://github.com/stylelint-scss/stylelint-config-standard-scss)
     and configures it's rules for **SCSS**.
 
--   **BEM** naming convention likely enforced, encouraging modularity,
-    maintainability, and clarity in class naming.
+### Plugins
 
--   Experimental and non-standard pseudo classes, pseudo elements and properties
-    are used in the config.
+-   [**`stylelint-declaration-block-no-ignored-properties`**](https://github.com/kristerkari/stylelint-declaration-block-no-ignored-properties)
+    disallow property values that are ignored due to another
+    property value in the same rule.
 
-    > Don't worry, it doesn't have any side effects of any kind.
+    > Use **`.browserslistrc`**.
+
+-   [**`stylelint-gamut`**](https://github.com/fpetrakov/stylelint-gamut)
+    throw warning if color goes out of **sRGB**
+    color space and is not wrapped in **`@media (color-gamut: p3) {}`**
+    or **`@media (color-gamut: rec2020) {}`**
+
+-   [**`stylelint-group-selectors`**](https://github.com/ssivanatarajan/stylelint-group-selectors)
+    identify the selectors, which can be grouped,
+    as they have same set of properties and values.
+
+-   [**`stylelint-high-performance-animation`**](https://github.com/kristerkari/stylelint-high-performance-animation)
+    enhances your animations.
+
+-   [**`stylelint-no-unsupported-browser-features`**](https://github.com/ismay/stylelint-no-unsupported-browser-features)
+    disallow features that aren't supported by your target browser audience.
 
 -   [**`stylelint-order`**](https://github.com/hudochenkov/stylelint-order)
     sorts **over 400 properties** for enhanced clarity and maintainability.
 
     > Properties are grouped into logical groups and separated by a space.
 
+-   [**`stylelint-plugin-defensive-css`**](https://github.com/yuschick/stylelint-plugin-defensive-css)
+    for enforcing defensive **CSS** best practices.
+
 -   [**`stylelint-plugin-logical-css`**](https://github.com/yuschick/stylelint-plugin-logical-css)
     replace properties with logical alternatives.
 
--   [**`stylelint-high-performance-animation`**](https://github.com/kristerkari/stylelint-high-performance-animation)
-    enhances your animations.
+-   [**`stylelint-prettier`**](https://github.com/prettier/stylelint-prettier)
+    runs **Prettier** as a **Stylelint** rule and reports
+    differences as individual Stylelint issues.
 
--   [**`stylelint-plugin-defensive-css`**](https://github.com/yuschick/stylelint-plugin-defensive-css)
-    for enforcing defensive **CSS** best practices.
+### Rules
 
--   [**`stylelint-gamut`**](https://github.com/fpetrakov/stylelint-gamut)
-    throw warning if color goes out of **sRGB**
-    color space and is not wrapped in **`@media (color-gamut: p3) {}`**
-    or **`@media (color-gamut: rec2020) {}`**
+-   **BEM** naming convention likely enforced, encouraging modularity,
+    maintainability, and clarity in class naming.
+
+-   Experimental and non-standard pseudo classes, pseudo elements and properties
+    are used in the config.
+
+    > Don't worry, it doesn't have any side effects of any kind.
 
 ## Installation
 
diff --git a/src/index.js b/src/index.js
index cb74184..9c4b732 100644
--- a/src/index.js
+++ b/src/index.js
@@ -6,8 +6,11 @@ import plugins from './utils/plugins.js';
 export default {
   extends: ['stylelint-config-standard-scss'],
   plugins: [
+    'stylelint-declaration-block-no-ignored-properties',
     'stylelint-gamut',
+    'stylelint-group-selectors',
     'stylelint-high-performance-animation',
+    'stylelint-no-unsupported-browser-features',
     'stylelint-order',
     'stylelint-plugin-defensive-css',
     'stylelint-plugin-logical-css',
diff --git a/src/utils/plugins.js b/src/utils/plugins.js
index 1b31772..09a5d64 100644
--- a/src/utils/plugins.js
+++ b/src/utils/plugins.js
@@ -4,7 +4,15 @@ const plugins = {
   'prettier/prettier': true,
   ...propertiesOrder,
   'gamut/color-no-out-gamut-range': true,
+  'plugin/declaration-block-no-ignored-properties': true,
   'plugin/no-low-performance-animation-properties': true,
+  'plugin/no-unsupported-browser-features': [
+    true,
+    {
+      severity: 'warning',
+    },
+  ],
+  'plugin/stylelint-group-selectors': true,
   'plugin/use-defensive-css': [
     true,
     {