To animate a group of images, you can use a combination of HTML, CSS, and JavaScript. One way to do this is by using CSS Sprites and the @keyframes rule in CSS to create the animation.

Here's an example code snippet (using HTML, CSS, and JavaScript) that animates a group of images:

html
 
 
Copy code
<div class="animation"></div>

css
 
 
Copy code
.animation {
  width: 100px;
  height: 100px;
  background: url(images-sprite.png) left top;
  animation: play-sprite 0.8s steps(4) infinite;
}

@keyframes play-sprite {
  100% { background-position: -400px; }
}

javascript
 
 
Copy code
// Since we set the number of steps to 4, 
// we need to have 4 images in our sprite.
// Each image has a width of 100px, so the
// sprite's width is 4 times that: 400px.

var spriteWidth = 400;
var steps = 4;

// When the animation starts, we need to know
// the current step (or image) and position the
// sprite accordingly.

var currentStep = 0;
var currentPos = 0;
var speed = 100;

function animate() {
  currentStep = (currentStep + 1) % steps;
  currentPos = (-currentStep * spriteWidth) + 'px';
  document.querySelector('.animation').style.backgroundPosition = currentPos + ' top';
}

setInterval(animate, speed);

In this example, we first create a div element with a class of .animation. We then set the background property of this element to a sprite image called images-sprite.png and position it to the left and top of the element.

Next, we define a @keyframes animation rule called play-sprite that plays the sprite animation indefinitely.

In the JavaScript code, we calculate the width of the sprite and the number of steps (or images) it contains. We then set up a loop that runs every speed milliseconds and updates the background-position of the .animation element to show the next image in the sprite sequence.

This is just one way to animate a group of images using HTML, CSS, and JavaScript. There are many other techniques and libraries available, depending on the specific requirements of your project.

To make your text move left when you add one more syllable, you can use CSS animation and the @keyframes rule to specify the animation. Here's an example of how you can achieve a text moving left using CSS animation:

css
 
 
Copy code
<style>
  /* target the element you want the animation on */
  .my-text {
    /* add these styles to make the text move smoothly */
    display: inline-block;
    animation: slide-left 0.5s ease forwards;
  }

  @keyframes slide-left {
    /* use % to specify the animation at different stages (in this case, 0% and 100%) */
    0% {
      transform: translateX(0);
    }
    100% {
      /* adjust the value to control how much the text moves */
      transform: translateX(-10px);
    }
  }
</style>

<!-- add this HTML element and class to apply the animation -->
<span class="my-text">Hello</span>

In this example, the animation is triggered by adding the my-text class to a HTML element (in this case, a span). The animation moves the text left by 10 pixels over 0.5 seconds with an ease-in-out effect. You can adjust the styles and animation duration to fit your needs.

In HTML & CSS, you can create an animated button by writing code for its styling and adding a keyframe animation. The animation for the button can be created by using the animation property followed by @keyframes command.

For example,

css
 
 
Copy code
.animated-button {
  background-color: #008CBA;
  color: #ffffff;
  font-size: 16px;
  padding: 10px 20px 10px 20px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-weight: bold;
  border: none;
  border-radius: 8px;
  box-shadow: 0 4px 15px 0 #006699;
  width: 350px;
  animation: example 1s infinite;
}

@keyframes example {
  0% {background-color: #008CBA;}
  50% {background-color: #006699;}
  100% {background-color: #008CBA;}
}

For more details, see this guide on Animista.