.container {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  font-family: Arial, Helvetica, sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
}

.label {
  background-color: transparent;
  border: 2px solid rgb(91, 91, 240);
  display: flex;
  align-items: center;
  border-radius: 50px;
  width: 160px;
  cursor: pointer;
  transition: all 0.4s ease;
  padding: 5px;
  position: relative;
}

.label::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: #fff;
  width: 8px;
  height: 8px;
  transition: all 0.4s ease;
  border-radius: 100%;
  margin: auto;
  opacity: 0;
  visibility: hidden;
}

.label .input {
  display: none;
}

.label .title {
  font-size: 17px;
  color: #fff;
  transition: all 0.4s ease;
  position: absolute;
  right: 18px;
  bottom: 14px;
  text-align: center;
}

.label .title:last-child {
  opacity: 0;
  visibility: hidden;
}

.label .circle {
  height: 45px;
  width: 45px;
  border-radius: 50%;
  background-color: rgb(91, 91, 240);
  display: flex;
  justify-content: center;
  align-items: center;
  transition: all 0.4s ease;
  position: relative;
  box-shadow: 0 0 0 0 rgb(255, 255, 255);
  overflow: hidden;
}

.label .circle .icon {
  color: #fff;
  width: 30px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.4s ease;
}

.label .circle .square {
  aspect-ratio: 1;
  width: 15px;
  border-radius: 2px;
  background-color: #fff;
  opacity: 0;
  visibility: hidden;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.4s ease;
}

.label .circle::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  background-color: #3333a8;
  width: 100%;
  height: 0;
  transition: all 0.4s ease;
}

.label:has(.input:checked) {
  width: 57px;
  animation: installed 0.4s ease 3.5s forwards;
}

.label:has(.input:checked)::before {
  animation: rotate 3s ease-in-out 0.4s forwards;
}

.label .input:checked + .circle {
  animation:
    pulse 1s forwards,
    circleDelete 0.2s ease 3.5s forwards;
  rotate: 180deg;
}

.label .input:checked + .circle::before {
  animation: installing 3s ease-in-out forwards;
}

.label .input:checked + .circle .icon {
  opacity: 0;
  visibility: hidden;
}

.label .input:checked ~ .circle .square {
  opacity: 1;
  visibility: visible;
}

.label .input:checked ~ .title {
  opacity: 0;
  visibility: hidden;
}

.label .input:checked ~ .title:last-child {
  animation: showInstalledMessage 0.4s ease 3.5s forwards;
}

@keyframes pulse {
  0% {
    scale: 0.95;
    box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.7);
  }
  70% {
    scale: 1;
    box-shadow: 0 0 0 16px rgba(255, 255, 255, 0);
  }
  100% {
    scale: 0.95;
    box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
  }
}

@keyframes installing {
  from {
    height: 0;
  }
  to {
    height: 100%;
  }
}

@keyframes rotate {
  0% {
    transform: rotate(-90deg) translate(27px) rotate(0);
    opacity: 1;
    visibility: visible;
  }
  99% {
    transform: rotate(270deg) translate(27px) rotate(270deg);
    opacity: 1;
    visibility: visible;
  }
  100% {
    opacity: 0;
    visibility: hidden;
  }
}

@keyframes installed {
  100% {
    width: 150px;
    border-color: rgb(35, 174, 35);
  }
}

@keyframes circleDelete {
  100% {
    opacity: 0;
    visibility: hidden;
  }
}

@keyframes showInstalledMessage {
  100% {
    opacity: 1;
    visibility: visible;
    right: 56px;
  }
}

Live Preview

Ready Ln 1, Col 1

UTF-8 HTML/JS

Interactive Download Button Animation Using HTML & CSS

Modern websites thrive on engaging UI/UX, and nothing makes a better first impression than a well-animated, responsive button. In this tutorial, we’ll walk through how to create a fully animated Download to Open toggle button using only HTML and CSS—no JavaScript required.

This button starts as a circular download icon. When clicked, it transforms through a smooth, visual installation animation and ends with a confirmation message reading “Open.” Perfect for mimicking app install buttons or interactive download actions on any modern UI.

What This Button Does

Initial State: Displays a circular button with a download arrow.
On Click:
- Triggers a loading animation.
- Transforms into a square icon.
- Displays an “Open” confirmation text.
Animated Effects:
- Pulse effect.
- Rotating progress.
- Changing icon and label text.

All these interactions happen through pure CSS using transitions, animations, and the powerful :has() selector (currently supported in modern browsers like Chrome and Safari).

How It Works

1. HTML Structure

The HTML is simple:

A hidden checkbox toggles the state.
Labels, icons, and animated elements are wrapped inside a <label> acting as the clickable component.
The Download and Open texts appear conditionally based on whether the checkbox is checked.

2. Styling the Button

The button uses:

Flexbox for layout.
Rounded borders to achieve a pill-shaped structure.
Transition and keyframe animations for visual effects.

3. Download to Open Transition

Using advanced CSS techniques:

The ::before pseudo-element simulates a progress bar.
When clicked, the button shrinks, rotates, and triggers the visual “installing” animation.
After installation completes (~3.5s), the design switches to show the word “Open”.

Key Features

No JavaScript: 100% CSS-based logic using :has() and sibling selectors.
Modern Design: Clean, animated, and suitable for modern web apps.
Reusable: Easily customizable colors, icons, and text.
Lightweight: No external libraries or scripts needed.

Where to Use This Button

This interactive toggle button is ideal for:

Software download pages
App install simulations
UI demos for SaaS products
Mobile web app call-to-actions
Gamified content interfaces

Browser Compatibility

This design uses the :has() selector, which is currently supported in Chrome, Edge, and Safari, but not Firefox (as of mid-2025). For full cross-browser support, consider using JavaScript fallbacks.

Customize It

You can easily personalize this button by changing:

Colors (adjust background-color, border-color)
Icons (swap out the SVG)
Duration of animations
Text (“Download” and “Open” can be replaced with any action-based label)

Final Thoughts

This button is more than just a download link—it’s a full micro-interaction that creates a memorable user experience. By using advanced CSS features like keyframes, pseudo-elements, and :has() logic, you can add delightful functionality without any JavaScript.

This code uses HTML and CSS only — no JavaScript included.

MIT License

Permission is freely granted to anyone who obtains a copy of this software and its accompanying documentation files (referred to as “the Software”), allowing them to use, copy, modify, merge, publish, distribute, sublicense, and even sell copies of the Software. Additionally, users are allowed to permit others to use the Software under these same terms.

It is required that the above copyright notices and this permission notice be included in all versions or significant portions of the Software.

Please note, the Software is provided “as is”, without any form of warranty—express or implied. This includes, but is not limited to, warranties of merchantability, fitness for a specific purpose, or non-infringement. Under no circumstances shall the original authors or rights holders be held responsible for any claims, damages, or other liabilities that may arise from the use of the Software, whether through legal action, negligence, or otherwise.

All code on Freeofcosts.com is reviewed before publishing. Each post includes a live code editor with real-time preview, so you can experiment and learn by doing. Most code is open-source and free to use or modify under respective licenses.