In this blog post, we’ll explore a fascinating example of CSS animation by creating a visually striking effect: a twisting square pattern. The code provided demonstrates how to achieve this effect using HTML and CSS. Let’s dive into how this animation works and the principles behind it.
THE CODE:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>TWISTING SQUARES</title>
</head>
<style>
html{
background: black;
height: 100%;
position: relative;
overflow: hidden;
}
.container{
height: 300px;
width: 300px;
position: absolute;
top: 50%;
left: 50%;
margin: -150px 0 0 -150px;
}
.square{
height: 94%;
width: 94%;
background: white;
position: absolute;
top: 50%;
left: 50%;
margin: -47% 0 0 -47%;
}
.black{
background: black;
animation: rotate 10s infinite linear;
}
@keyframes rotate{
0%{ transform: rotate(0deg); }
100%{ transform: rotate(360deg); }
}
</style>
<body>
<div class="container">
<div class="square black">
<div class="square">
<div class="square black">
<div class="square">
<div class="square black">
<div class="square">
<div class="square black">
<div class="square">
<div class="square black">
<div class="square">
<div class="square black">
<div class="square">
<div class="square black">
<div class="square">
<div class="square black">
<div class="square">
<div class="square black">
<div class="square">
<div class="square black">
<div class="square">
<div class="square black">
<div class="square">
<div class="square black">
<div class="square">
<div class="square black">
<div class="square">
<div class="square black">
<div class="square">
<div class="square black">
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</body>
</html>Understanding the Code
Here’s a breakdown of the HTML and CSS code that generates the twisting square animation:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>TWISTING SQUARES</title>
</head>
<style>
html{
background: black;
height: 100%;
position: relative;
overflow: hidden;
}
.container{
height: 300px;
width: 300px;
position: absolute;
top: 50%;
left: 50%;
margin: -150px 0 0 -150px;
}
.square{
height: 94%;
width: 94%;
background: white;
position: absolute;
top: 50%;
left: 50%;
margin: -47% 0 0 -47%;
}
.black{
background: black;
animation: rotate 10s infinite linear;
}
@keyframes rotate{
0%{ transform: rotate(0deg); }
100%{ transform: rotate(360deg); }
}
</style>
<body>
<div class="container">
<div class="square black">
<!-- Nested squares go here -->
</div>
</div>
</body>
</html>
The Structure of the Animation
HTML Overview
The HTML structure is simple:
- A
containerdiv centers the animation on the page. - Inside this container, a
squarediv is used to create the basic shape and handle the animation.
However, the provided code includes a large number of nested square div’s. This creates a recursive effect where each square element is a child of another square, all with alternating colors. The result is a visually engaging animation where each square rotates, creating a twisting effect.
CSS Styling and Animation
CSS Basics
html: Sets the background to black and ensures that the entire viewport height is used..container: Positions the container in the center of the viewport and sizes it to 300px by 300px..square: Defines the size and appearance of each square. They are positioned absolutely within their parent and centered.
Animation
.black: This class applies a black background and attaches a rotation animation to each square with theanimationproperty. The animation rotates each square continuously in a loop.@keyframes rotate: This rule defines the rotation animation. It rotates the element from0degto360degover 10 seconds, creating a smooth twisting effect.
Visual Effect
The effect of this CSS code is a series of squares with alternating black and white backgrounds, each rotating at the same speed. The continuous rotation creates an optical illusion of movement, giving the impression that the squares are twisting around their center. This is achieved by using CSS animations to rotate each .black square.
Key Points to Note
Nesting and Styling: The depth of nested squares and their consistent styling contribute to the complexity of the visual effect. Each nested square inherits the rotation animation from its parent, creating a more intricate pattern.
Performance Considerations: While CSS animations are generally efficient, deeply nested elements can impact performance, especially on devices with less processing power. Keeping the DOM structure as flat as possible can help maintain performance.
Know about: make your skills effective with best learning.
Conclusion
The twisting squares animation is a brilliant example of how CSS can be used to create complex, dynamic effects with relatively simple code. By understanding the structure and animation properties used, you can apply similar techniques to create your own engaging visual effects.
Feel free to experiment with different sizes, colors, and animation durations to customize the effect to your liking. Happy coding!
If you have any questions or need further clarification, let me know in the comments!
