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Martin PAUCOT
Martin PAUCOT

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How to do stunning 3D with pure HTML/CSS

HTML and CSS may be the bedrock of 2D web design, but hidden within their virtual toolbox are the secrets to creating breathtaking 3D perspectives. Imagine crafting interactive interfaces that transcend flatland into a world where the X, Y, and Z axes dance together. In this blog post, we'll unveil the magic of HTML and CSS's 3D capabilities, guiding you through the essential properties and techniques to create stunning 3D visuals.

Like this one!


Introduction

Harnessing Perspective in HTML

Although HTML and CSS are primarily designed for constructing 2D layouts, there are still 3 axes (X, Y & Z) enabling the creation of perspective through specific CSS properties.

The perspective property

The perspective property alters the user's perspective by adjusting the position of the vanishing Point along the Z-axis.

For example, with the following code, utilizing the following code snippet will establish a distance of 800px between the user and the plane (Z-axis).



.perspective {
  position: relative;
  perspective: 800px;
}


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<div class="perspective"></div>


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The perspective-origin property

The perspective-origin property determines the user's position along the X and Y axes.

To view an object from above, you can employ the following code:



.perspective {
  position: relative;
  perspective: 800px;
  perspective-origin: 50% -200px;
}


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In this example, we are centered on the X-axis (50%) and positioned -200px on the Y-axis.


Now that you have grasped the essentials of 3D in HTML and CSS, let's embark on creating our own 3D cube!

1. Building the Foundation

For our HTML structure, we will construct a perspective plane and add a div element for each face of our cube.



<div class="perspective">
  <div class="box">
    <div class="face top"></div>
    <div class="face bottom"></div>
    <div class="face back"></div>
    <div class="face front"></div>
    <div class="face left"></div>
    <div class="face right"></div>
  </div>
</div>


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Now, let's imbue our perspective plane with a specific perspective. In our case, we desire an overhead view of our cube.



.perspective {
  perspective: 800px;
  perspective-origin: 50% -200px;
}


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Then, we'll assign dimensions to our box and apply styling to our individual faces. To keep the 3D rendering within the perspective plane in our div, we incorporate transform-style: preserve-3d.



.box {  
  width: var(--size);
  aspect-ratio: 1;  

  position: relative;
  transform-style: preserve-3d;
}

.face {
  position: absolute;
  width: var(--size);
  aspect-ratio: 1;

  background-color: hsl(
    39,
    100%,
    66%
  );

  transform-style: preserve-3d;
}


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At this point, you should see all the faces superimposed at the same location, forming a square.

Picture of the result

2. Creating the Pattern

Now, let's fabricate the 2D pattern of our cube, which we will then fold like a piece of paper. Additionally, we will incorporate a rotation animation for a better 3D visualization.

Creating a pattern simplifies the process of rotating and positioning elements accurately, preventing confusion with inverted faces.




.box {  
  animation: rotate 4s linear infinite;
}

.face.front {
}

.face.bottom {
  top: 100%;
}

.face.top {
  bottom: 100%;
}

.face.back {
  bottom: 200%;
}

.face.right {
  left: 100%;
}

.face.left {
  right: 100%;
}

@keyframes rotate {
  from {
    transform: rotate(0);
  }
  to {
    transform: rotateY(360deg);
  }
}


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Now, you should see a cross-shaped configuration:

3. Folding the Faces to Craft the Cube

Our next step involves folding the faces to create the cube effect. This entails utilizing rotateX(), rotateY() and specifying the vertex from which the folding originates via transform-origin.

For the back face we need to adjust the transform-origin both the Y and Z axes since it is located two faces away from the front face.



.face.front {
}

.face.bottom {
  top: 100%;
  transform-origin: top;
  transform: rotateX(-90deg);
}

.face.top {
  bottom: 100%;
  transform-origin: bottom;
  transform: rotateX(90deg);
}

.face.back {
  bottom: 200%;
  transform-origin: center 150px -50px;
  transform: rotateX(180deg);
}

.face.right {
  left: 100%;
  transform-origin: left;
  transform: rotateY(90deg);
}

.face.left {
  right: 100%;
  transform-origin: right;
  transform: rotateY(-90deg);
}


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4. Applying Shading to the Faces

To achieve a convincing 3D effect, we need to introduce shading to the faces. Although CSS lacks native lighting, we can create the illusion of depth by varying the lightness of colors.

We'll utilize the lightness property of hsl() to produce distinct shades for each face.



.face {  
  background-color: hsl(
    39,
    100%,
    var(--lightness)
  );
}

.face.front {
  --lightness: 66%;
}

.face.bottom {
  --lightness: 74%;
}

.face.top {
  --lightness: 74%;
}

.face.back {
  --lightness: 78%;
}

.face.right {
  --lightness: 70%;
}

.face.left {
  --lightness: 70%;
}


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Now, you should behold a splendid 3D cube, crafted solely with HTML and CSS!


I hope this tutorial has ignited your imagination for creating captivating 3D animations with pure HTML and CSS.

Feel free to share your creations in the comments section!
And for more content like this, be sure to follow me @PaucotMartin on X (formerly Twitter).

Top comments (18)

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jarvisscript profile image
Chris Jarvis

Wow, This is cool. Thanks for the perspective.

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emurrell profile image
Eric Murrell

I see what you did there 😆

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akinwunmi profile image
Jurrit van der Ploeg • Edited

Thank you for this great insight into the perspective utility 🔥
A next great step could be changing the shade of the faces based on their position on the X, Y and Z axis – something I will definitely dig into following up on this post!

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martinp profile image
Martin PAUCOT

I am really not a 3D expert but there is surely a mathematical way of calculating the correct shades for each side (and even using gradients)!
I would love to see that in action!

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zmzlois profile image
Lois

pure spitballing, maybe css custom properties can do this: developer.mozilla.org/en-US/docs/W...

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zmzlois profile image
Lois

Painting the web with code 🎉

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davboy profile image
Daithi O’Baoill

Very good 👍
Thanks

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martinp profile image
Martin PAUCOT

Thanks! I hope it gave you ideas!

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netheart profile image
Netheart technology

Hi

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martinp profile image
Martin PAUCOT

Hi! 👋

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snappyclam profile image
Joseph Alan Wertz

TYVM Martin!

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martinp profile image
Martin PAUCOT

You are welcome!

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the_riz profile image
Rich Winter

This works. But I would suggest you are using the wrong tool for the job. Swapping your divs for SVGs would be more appropriate than using an html DIVider. -
You can build a house out of toothpicks but it doesn't mean that you should.

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martinp profile image
Martin PAUCOT

Why would it be more appropriate? In this example I do not use any complex shapes so divs are completely fine imo. And to be honest, if you are looking to build 3D objects, HTML and CSS are the wrong tools.
But it is a way to discover more capabilities of the tools we use daily!

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artydev profile image
artydev • Edited

Great, thank you :-)
Look at this:
Amit Sheen Demos
Kevin

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martinp profile image
Martin PAUCOT

OH GOD, that's just impressive

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artydev profile image
artydev

En effet😉

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ideasystemsmexico profile image
ideasystemsmexico

wow