diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
new file mode 100644
index 0000000..6ce606e
--- /dev/null
+++ b/.github/workflows/build.yml
@@ -0,0 +1,47 @@
+name: build
+
+on: [push]
+
+jobs:
+  linux:
+    name: 'Linux'
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up JDK 1.11
+      uses: actions/setup-java@v1
+      with:
+        java-version: 11
+    - name: Grant execute permission for gradlew
+      run: chmod +x gradlew
+    - name: Build with Gradle
+      run: ./gradlew build
+      
+  windows: 
+    name: 'Windows'
+    runs-on: windows-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up JDK 1.11
+        uses: actions/setup-java@v1
+        with:
+          java-version: 11
+      - name: Build with Gradle
+        run: .\gradlew.bat build
+                
+  mac: 
+    name: 'Mac OS'
+    runs-on: macos-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up JDK 1.11
+        uses: actions/setup-java@v1
+        with:
+          java-version: 11
+      - name: Grant execute permission for gradlew
+        run: chmod +x gradlew
+      - name: Build with Gradle
+        run: ./gradlew build
diff --git a/README.md b/README.md
index 3f0e5f6..80bd1a5 100644
--- a/README.md
+++ b/README.md
@@ -1,10 +1,10 @@
 # gln
 
-[![Build Status](https://travis-ci.org/kotlin-graphics/gln.svg?branch=master)](https://travis-ci.org/kotlin-graphics/gln) 
-[![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)]()
-![](https://reposs.herokuapp.com/?path=kotlin-graphics/gln&color=yellow) 
+[![Build Status](https://github.com/kotlin-graphics/gln/workflows/build/badge.svg)](https://github.com/kotlin-graphics/gln/actions?workflow=build)
+[![license](https://img.shields.io/badge/License-Apache%202.0-orange.svg)](https://github.com/kotlin-graphics/gln/blob/master/LICENSE) 
 [![Release](https://jitpack.io/v/kotlin-graphics/gln.svg)](https://jitpack.io/#kotlin-graphics/gln) 
-[![Slack Status](http://slack.kotlinlang.org/badge.svg)](http://slack.kotlinlang.org/)
+![Size](https://github-size-badge.herokuapp.com/kotlin-graphics/gln.svg)
+[![Github All Releases](https://img.shields.io/github/downloads/kotlin-graphics/gln/total.svg)]()
 
 OpenGL Next, functional programming
 
@@ -22,12 +22,12 @@ A buffer in means of OpenGL can be used for vertex attributes, indices, uniform
 This
 
 ```kotlin
-    arrayBufferName = glGenBuffers()
+    val arrayBufferName = glGenBuffers()
     glBindBuffer(GL_ARRAY_BUFFER, arrayBufferName)
     glBufferData(GL_ARRAY_BUFFER, positionData, GL_STATIC_DRAW)
     glBindBuffer(GL_ARRAY_BUFFER, 0)
 
-    elementBufferName = glGenBuffers()
+    val elementBufferName = glGenBuffers()
     glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, elementBufferName)
     glBufferData(GL_ELEMENT_ARRAY_BUFFER, elementData, GL_STATIC_DRAW)
     glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0)