some stuff

bg.js

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+const STAR_COLOR = 'white';
+const STAR_SIZE = 4;
+const STAR_MIN_SCALE = 0.2;
+const OVERFLOW_THRESHOLD = 50;
+const STAR_COUNT = ( window.innerWidth + window.innerHeight ) / 8;
+
+const canvas = document.querySelector( 'canvas' ),
+      context = canvas.getContext( '2d' );
+
+let scale = 1, // device pixel ratio
+    width,
+    height;
+
+let stars = [];
+
+let pointerX,
+    pointerY;
+
+let velocity = { x: 0, y: 0, tx: 0, ty: 0, z: 0.0015 };
+
+let touchInput = false;
+
+generate();
+resize();
+step();
+
+window.onresize = resize;
+
+/* Mouse moving functionality
+canvas.onmousemove = onMouseMove;
+canvas.ontouchmove = onTouchMove;
+canvas.ontouchend = onMouseLeave;
+document.onmouseleave = onMouseLeave;
+*/
+
+function generate() {
+   for( let i = 0; i < STAR_COUNT; i++ ) {
+    stars.push({
+      x: 0,
+      y: 0,
+      z: STAR_MIN_SCALE + Math.random() * ( 1 - STAR_MIN_SCALE )
+    });
+   }
+}
+
+function placeStar( star ) {
+  star.x = Math.random() * width;
+  star.y = Math.random() * height;
+}
+
+function recycleStar( star ) {
+
+  let direction = 'z';
+  let vx = Math.abs( velocity.x ),
+	    vy = Math.abs( velocity.y );
+
+  if( vx > 1 || vy > 1 ) {
+    let axis;
+
+    if( vx > vy ) {
+      axis = Math.random() < vx / ( vx + vy ) ? 'h' : 'v';
+    }
+    else {
+      axis = Math.random() < vy / ( vx + vy ) ? 'v' : 'h';
+    }
+
+    if( axis === 'h' ) {
+      direction = velocity.x > 0 ? 'l' : 'r';
+    }
+    else {
+      direction = velocity.y > 0 ? 't' : 'b';
+    }
+  }
+  
+  star.z = STAR_MIN_SCALE + Math.random() * ( 1 - STAR_MIN_SCALE );
+
+  if( direction === 'z' ) {
+    star.z = 0.1;
+    star.x = Math.random() * width;
+    star.y = Math.random() * height;
+  }
+  else if( direction === 'l' ) {
+    star.x = -OVERFLOW_THRESHOLD;
+    star.y = height * Math.random();
+  }
+  else if( direction === 'r' ) {
+    star.x = width + OVERFLOW_THRESHOLD;
+    star.y = height * Math.random();
+  }
+  else if( direction === 't' ) {
+    star.x = width * Math.random();
+    star.y = -OVERFLOW_THRESHOLD;
+  }
+  else if( direction === 'b' ) {
+    star.x = width * Math.random();
+    star.y = height + OVERFLOW_THRESHOLD;
+  }
+
+}
+
+function resize() {
+
+  scale = window.devicePixelRatio || 1;
+
+  width = window.innerWidth * scale;
+  height = window.innerHeight * scale;
+
+  canvas.width = width;
+  canvas.height = height;
+
+  stars.forEach( placeStar );
+
+}
+
+function step() {
+
+  context.clearRect( 0, 0, width, height );
+
+  update();
+  render();
+
+  requestAnimationFrame( step );
+
+}
+
+function update() {
+
+  velocity.tx *= 0.96;
+  velocity.ty *= 0.96;
+
+  velocity.x += ( velocity.tx - velocity.x ) * 0.8;
+  velocity.y += ( velocity.ty - velocity.y ) * 0.8;
+
+  stars.forEach( ( star ) => {
+
+    star.x += velocity.x * star.z;
+    star.y += velocity.y * star.z;
+
+    star.x += ( star.x - width/2 ) * velocity.z * star.z;
+    star.y += ( star.y - height/2 ) * velocity.z * star.z;
+    star.z += velocity.z;
+  
+    // recycle when out of bounds
+    if( star.x < -OVERFLOW_THRESHOLD || star.x > width + OVERFLOW_THRESHOLD || star.y < -OVERFLOW_THRESHOLD || star.y > height + OVERFLOW_THRESHOLD ) {
+      recycleStar( star );
+    }
+
+  } );
+
+}
+
+function render() {
+
+  stars.forEach( ( star ) => {
+
+    context.beginPath();
+    context.lineCap = 'round';
+    context.lineWidth = STAR_SIZE * star.z * scale;
+    context.globalAlpha = 0.5 + 0.5*Math.random();
+    context.strokeStyle = STAR_COLOR;
+
+    context.beginPath();
+    context.moveTo( star.x, star.y );
+
+    var tailX = velocity.x * 2,
+        tailY = velocity.y * 2;
+
+    // stroke() wont work on an invisible line
+    if( Math.abs( tailX ) < 0.1 ) tailX = 0.5;
+    if( Math.abs( tailY ) < 0.1 ) tailY = 0.5;
+
+    context.lineTo( star.x + tailX, star.y + tailY );
+
+    context.stroke();
+
+  } );
+
+}
+
+function movePointer( x, y ) {
+
+  if( typeof pointerX === 'number' && typeof pointerY === 'number' ) {
+
+    let ox = x - pointerX,
+        oy = y - pointerY;
+
+    velocity.tx = velocity.tx + ( ox / 8*scale ) * ( touchInput ? 1 : -1);
+    velocity.ty = velocity.ty + ( oy / 8*scale ) * ( touchInput ? 1 : -1 );
+
+  }
+
+  pointerX = x;
+  pointerY = y;
+
+}
+
+function onMouseMove( event ) {
+
+  touchInput = false;
+
+  movePointer( event.clientX, event.clientY );
+
+}
+
+function onTouchMove( event ) {
+
+  touchInput = true;
+
+  movePointer( event.touches[0].clientX, event.touches[0].clientY, true );
+
+  event.preventDefault();
+
+}
+
+function onMouseLeave() {
+
+  pointerX = null;
+  pointerY = null;
+
+}
+ 

index.html

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+<!DOCTYPE html>
+<html>
+    <head>
+        <title>Linux Club Official</title>
+    </head>
+    <body>
+        <canvas>BG NOT SUPPORTED</canvas>
+        <div align="center"> 
+            <h1>Linux Club 😎</h1> 
+            <h5>The superior OS</h5>
+            <a href="https://imgflip.com/i/697bub"><img src="https://i.imgflip.com/697bub.jpg" title="made at imgflip.com"/></a><div><a href="https://imgflip.com/memegenerator"></a></div>
+        </div>
+    </body>
+    
+    <script src="./bg.js"></script>
+    <script src="./index.js"></script>
+    <link rel="stylesheet" href="./style.css">
+</html>

index.js

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+

style.css

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+body {
+  background-color: rgb(25, 25, 25);
+  font-family: 'Roboto Mono', monospace;
+  color: white;
+}
+
+h1 {
+    font-size: calc(60px + 1vw);
+}
+
+h5 {
+    font-size: calc(5px + 0.5vw);
+}
+
+canvas {
+  position: fixed;
+  width: 100%;
+  height: 100%;
+}
+
+@import url('https://fonts.googleapis.com/css2?family=Roboto+Mono:wght@300&display=swap');