Lab Double Planetary Mixer

<script>
// To enable code execution go to Bricks > Settings > Builder Access. 
//You must also make sure "execute code block" is toggled on this Bricks code element.


const card = '.fr-feature-card-echo' 
const featureCards = document.querySelectorAll(card);

for (var i = 0; i < featureCards.length; i++) {
  const c = featureCards[i]
  const textSelector = `${card}__text`
  const cardText = c.querySelector(textSelector)
  const heading = c.querySelector(`${card}__heading > a`)
  const textHeight = cardText.offsetHeight;

  cardText.style.height = '1px';

  c.addEventListener('mouseover', function() {
      this.querySelector(textSelector).style.height = textHeight + 'px';
      this.querySelector(textSelector).style.opacity = '1';
  });

  c.addEventListener('mouseout', function() {
    this.querySelector(textSelector).style.height = '1px';
    this.querySelector(textSelector).style.opacity = '0';
  });

  heading.addEventListener('focus', function() {
    c.querySelector(textSelector).style.height = textHeight + 'px';
    c.querySelector(textSelector).style.opacity = '1';
  });

  heading.addEventListener('blur', function() {
    c.querySelector(textSelector).style.height = '1px';
    c.querySelector(textSelector).style.opacity = '0';
  });
  
}

</script>