Below we have a beautiful page not found that can increase the attractiveness of our site and have more audience than the default page not found. The word 404 is written below and instead of zero there is a beautiful purple ball that rotates in three dimensions.


HTML
<!-- This script got from www.devanswer.com  -->
<link href='https://fonts.googleapis.com/css?family=Roboto:700' rel='stylesheet' type='text/css'>
<p class="mega">4<span class="boom">0</span>4<div class="bola">
</div></p>
<p class="mini">That's an error.</p>
 <script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js'></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/three.js/r58/three.min.js'></script><div id="bcl"><a style="font-size:8pt;text-decoration:none;" href="http://www.devanswer.com ">Developers Answer</a></div>
                        

CSS
body {
    background: #f5f5f5;
    font-family: 'Roboto', sans-serif;
}

.mini {
    font-size: 1em;
    color: #000;
    line-height: 9em;
    text-indent: 2.5em;
    position: absolute;
    left: 50%;
    top: 50%;
}

.mega, .bola {
    line-height: 1.65em;
    font-weight: bold;
    font-size: 11em;
    color: black;
    font-family: 'Roboto', sans-serif;
    width: 300px;
    height: 300px;
    position: absolute;
    left: 50%;
    top: 50%;
    margin-left: -150px;
    margin-top: -150px;
}

.boom {
    color: #f5f5f5;
}
Javascript
var $container = $('.bola');
var renderer = new THREE.WebGLRenderer({ antialias: true });
var camera = new THREE.PerspectiveCamera(80, 1, 0.1, 10000);
var scene = new THREE.Scene();

scene.add(camera);
renderer.setSize(300, 300);
$container.append(renderer.domElement);

///////////////////////////////////////////////

// Camera
camera.position.z = 200;

// Material
var pinkMat = new THREE.MeshPhongMaterial({
    color: new THREE.Color("rgb(226,35,213)"),
    emissive: new THREE.Color("rgb(0,0,0)"),
    specular: new THREE.Color("rgb(255,155,255)"),
    shininess: 100,
    shading: THREE.FlatShading,
    transparent: 1,
    opacity: 1
});

var L1 = new THREE.PointLight(0xffffff, 1);
L1.position.z = 100;
L1.position.y = 100;
L1.position.x = 100;
scene.add(L1);

var L2 = new THREE.PointLight(0xffffff, 0.8);
L2.position.z = 200;
L2.position.y = 400;
L2.position.x = -100;
scene.add(L2);

// IcoSphere -> THREE.IcosahedronGeometry(80, 1) 1-4
var Ico = new THREE.Mesh(new THREE.IcosahedronGeometry(75, 1), pinkMat);
Ico.rotation.z = 0.5;
scene.add(Ico);

function update() {
    Ico.rotation.x += 2 / 100;
    Ico.rotation.y += 2 / 100;
}

// Render
function render() {
    requestAnimationFrame(render);
    renderer.render(scene, camera);
    update();
}

render();