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HTML

              
                <!-- markup structure
article, wrapping container
    figure, wrapping the image
    div, wrapping container for a quote and  the name of the testimonial
-->
<article>
    <figure>
        <img alt="A rather marvellous macaw, opening one of its wings to support the cause." src="https://images.pexels.com/photos/2317904/pexels-photo-2317904.jpeg?auto=compress&cs=tinysrgb&dpr=2&h=650&w=940" />
    </figure>

    <div>
        <p>
            Lorem ipsum dolor sit amet consectetur adipisicing elit. Corrupti repellat, consequuntur doloribus voluptate esse iure?
        </p>
        <h1>
            Marvellous Macaw
        </h1>
    </div>
</article>
              
            
!

CSS

              
                @import url("https://fonts.googleapis.com/css?family=Lato:700|Noticia+Text:400i&display=swap");

* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}
body {
  /* center the article in the viewport */
  display: flex;
  min-height: 100vh;
  justify-content: center;
  align-items: center;
  /* include an off-white background */
  background: hsl(250, 85%, 97%);
  /* add perspective for the rotation of the article, added through the script */
  perspective: 500px;
}

article {
  /* limit the width of the article container */
  width: 350px;
  /* display the contents in a column */
  display: flex;
  flex-direction: column;
  align-items: center;
  background: hsl(0, 0%, 100%);
  line-height: 2;
  border-radius: 10px;
  margin: 0.5rem;
  /* transition for the transform property, updated in the script */
  transition: transform 0.2s ease-out;
  box-shadow: 0 0 5px -2px hsla(0, 0%, 0%, 0.1);
}
article figure {
  /* limit the width and height of the figure to show the image in a circle */
  width: 120px;
  height: 120px;
  border-radius: 50%;
  /* specify negative margin matching half the height of the element */
  margin-top: -60px;
  /* position relative for the pseudo element */
  position: relative;
  
}
article figure:before {
  /* add a border around the figure matching the color of the background, faking the clip */
  content: "";
  border-radius: inherit;
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  transform: translate(-50%, -50%);
  border: 1rem solid hsl(250, 85%, 97%);
  box-shadow: 0 1px hsla(0, 0%, 0%, 0.1);
}
article figure img {
  /* stretch the image to cover the size of the wrapping container */
  border-radius: inherit;
  width: 100%;
  height: 100%;
  /* object fit to maintain the aspect ratio and fit the width/height */
  object-fit: cover;
}

article div {
  /* center the text in the div container */
  text-align: center;
  margin: 2rem;
}
article div p {
  color: hsl(250, 5%, 45%);
  font-weight: 400;
  font-style: italic;
  margin: 1rem 0 3rem;
  font-family: "Noticia Text", serif;
  /* position relative for the pseudo element */
  position: relative;
  z-index: 5;
}
article div p:before {
  /* with SVG elements include two icons for the quote */
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  transform: translate(-50%, -50%);
  z-index: -5;
  opacity: 0.05;
  /* position the icons at either end of the paragraph, rotate the second to have a mirrorer image */
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 70 70" width="70" height="70"><rect x="0" y="40" width="30" height="30"></rect><path d="M 0 40 q 0 -40 30 -40 v 15 q -15 0 -15 25"></path><rect x="40" y="40" width="30" height="30"></rect><path d="M 40 40 q 0 -40 30 -40 v 15 q -15 0 -15 25"></path></svg>'),
    url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 70 70" width="70" height="70" transform="rotate(180)"><rect x="0" y="40" width="30" height="30"></rect><path d="M 0 40 q 0 -40 30 -40 v 15 q -15 0 -15 25"></path><rect x="40" y="40" width="30" height="30"></rect><path d="M 40 40 q 0 -40 30 -40 v 15 q -15 0 -15 25"></path></svg>');
  background-position: 20% 20%, 80% 80%;
  background-repeat: no-repeat;
}
article div h1 {
  /* considerably reduce the size of the heading */
  color: hsl(260, 5%, 55%);
  font-family: "Lato", sans-serif;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05rem;
}

              
            
!

JS

              
                const article = document.querySelector('article');

// to compute the center of the card retrieve its coordinates and dimensions
const {
  x, y, width, height,
} = article.getBoundingClientRect();
const cx = x + width / 2;
const cy = y + height / 2;

// following the mousemove event compute the distance betwen the cursor and the center of the card
function handleMove(e) {
  const { pageX, pageY } = e;

  // ! consider the relative distance in the [-1, 1] range
  const dx = (cx - pageX) / (width / 2);
  const dy = (cy - pageY) / (height / 2);

  // rotate the card around the x axis, according to the vertical distance, and around the y acis, according to the horizontal gap 
  this.style.transform = `rotateX(${10 * dy * -1}deg) rotateY(${10 * dx}deg)`;
}

// following the mouseout event reset the transform property
function handleOut() {
  this.style.transform = 'initial';
}

article.addEventListener('mousemove', handleMove);
article.addEventListener('mouseout', handleOut);

              
            
!
999px

Console