AllCodepen.txt

-----html------------


<div id="cards">
  <div class="card">
    <div class="card-content">
      <div class="card-image">
        <i class="fa-duotone fa-apartment"></i>
      </div>
      <div class="card-info-wrapper">
        <div class="card-info">
          <i class="fa-duotone fa-apartment"></i>
          <div class="card-info-title">
            <h3>Apartments</h3>  
            <h4>Places to be apart. Wait, what?</h4>
          </div>    
        </div>
      </div>
    </div>
  </div>
  <div class="card">
    <div class="card-content">
      <div class="card-image">
        <i class="fa-duotone fa-unicorn"></i>
      </div>
      <div class="card-info-wrapper">
        <div class="card-info">
          <i class="fa-duotone fa-unicorn"></i>
          <div class="card-info-title">
            <h3>Unicorns</h3>  
            <h4>A single corn. Er, I mean horn.</h4>
          </div>    
        </div>  
      </div>
    </div>
  </div>
  <div class="card">
    <div class="card-content">
      <div class="card-image">
        <i class="fa-duotone fa-blender-phone"></i>
      </div>
      <div class="card-info-wrapper">
        <div class="card-info">
          <i class="fa-duotone fa-blender-phone"></i>
          <div class="card-info-title">
            <h3>Blender Phones</h3>  
            <h4>These absolutely deserve to exist.</h4>
          </div>    
        </div>
      </div>
    </div>
  </div>
  <div class="card">
    <div class="card-content">
      <div class="card-image">
        <i class="fa-duotone fa-person-to-portal"></i>
      </div>
      <div class="card-info-wrapper">
        <div class="card-info">
          <i class="fa-duotone fa-person-to-portal"></i>
          <div class="card-info-title">
            <h3>Adios</h3>  
            <h4>See you...</h4>
          </div>    
        </div>
      </div>
    </div>
  </div>
  <div class="card">
    <div class="card-content">
      <div class="card-image">
        <i class="fa-duotone fa-person-from-portal"></i>
      </div>
      <div class="card-info-wrapper">
        <div class="card-info">
          <i class="fa-duotone fa-person-from-portal"></i>
          <div class="card-info-title">
            <h3>I mean hello</h3>  
            <h4>...over here.</h4>
          </div>    
        </div>
      </div>
    </div>
  </div>
  <div class="card">
    <div class="card-content">
      <div class="card-image">
        <i class="fa-duotone fa-otter"></i>
      </div>
      <div class="card-info-wrapper">
        <div class="card-info">
          <i class="fa-duotone fa-otter"></i>
          <div class="card-info-title">
            <h3>Otters</h3>  
            <h4>Look at me, imma cute lil fella.</h4>
          </div>    
        </div>
      </div>
    </div>
  </div>
</div>

<a id="source-link" class="link" href="https://linear.app/features" target="_blank">
  <i class="fa-solid fa-link"></i>
  <span class="roboto-mono">Source</span>
</a>

<a id="youtube-link" class="link" href="https://youtu.be/htGfnF1zN4g" target="_blank">
  <i class="fa-brands fa-youtube"></i>
  <span>5 min Tutorial</span>
</a>


----css----------


:root {
  --bg-color: rgb(20, 20, 20);
  --card-color: rgb(23, 23, 23);
}

body {
  align-items: center;
  background-color: var(--bg-color);
  display: flex;
  height: 100vh;
  justify-content: center;
  margin: 0px;
  overflow: hidden;
  padding: 0px;
}

#cards {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;  
  max-width: 916px;
  width: calc(100% - 20px);
}

#cards:hover > .card::after {
  opacity: 1;
}

.card {
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  cursor: pointer;
  display: flex;
  height: 260px;
  flex-direction: column;
  position: relative;
  width: 300px;  
}

.card:hover::before {
  opacity: 1;
}

.card::before,
.card::after {
  border-radius: inherit;
  content: "";
  height: 100%;
  left: 0px;
  opacity: 0;
  position: absolute;
  top: 0px;
  transition: opacity 500ms;
  width: 100%;
}

.card::before {
  background: radial-gradient(
    800px circle at var(--mouse-x) var(--mouse-y), 
    rgba(255, 255, 255, 0.06),
    transparent 40%
  );
  z-index: 3;
}

.card::after {  
  background: radial-gradient(
    600px circle at var(--mouse-x) var(--mouse-y), 
    rgba(255, 255, 255, 0.4),
    transparent 40%
  );
  z-index: 1;
}

.card > .card-content {
  background-color: var(--card-color);
  border-radius: inherit;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  inset: 1px;
  padding: 10px;
  position: absolute;
  z-index: 2;
}

/* -- ↓ ↓ ↓ extra card content styles ↓ ↓ ↓ -- */

h1, h2, h3, h4, span {
  color: rgb(240, 240, 240);
  font-family: "Rubik", sans-serif;
  font-weight: 400;
  margin: 0px;
}

i {  
  color: rgb(240, 240, 240);
}

.card-image {
  align-items: center;
  display: flex;
  height: 140px;
  justify-content: center;
  overflow: hidden;
}

.card-image > i {
  font-size: 6em;
  opacity: 0.25;
}

.card-info-wrapper {
  align-items: center;
  display: flex;
  flex-grow: 1;
  justify-content: flex-start;
  padding: 0px 20px;
}

.card-info {
  align-items: flex-start;
  display: flex;
  gap: 10px;
}

.card-info > i {  
  font-size: 1em;
  height: 20px;
  line-height: 20px;
}

.card-info-title > h3 {
  font-size: 1.1em;
  line-height: 20px;
}

.card-info-title > h4 {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.85em;
  margin-top: 8px;
}

/* -- ↓ ↓ ↓ some responsiveness ↓ ↓ ↓ -- */

@media(max-width: 1000px) {
  body {
    align-items: flex-start;  
    overflow: auto;
  }
  
  #cards {    
    max-width: 1000px;
    padding: 10px 0px;
  }
  
  .card {
    flex-shrink: 1;
    width: calc(50% - 4px);
  }
}

@media(max-width: 500px) {
  .card {
    height: 180px;
  }
  
  .card-image {
    height: 80px;  
  }
  
  .card-image > i {
    font-size: 3em;
  }
    
  .card-info-wrapper {
    padding: 0px 10px;
  }
  
  .card-info > i { 
    font-size: 0.8em; 
  }
  
  .card-info-title > h3 {
    font-size: 0.9em;
  }

  .card-info-title > h4 {
    font-size: 0.8em;
    margin-top: 4px;
  }
}

@media(max-width: 320px) {
  .card {
    width: 100%;
  }
}

/* -- ↓ ↓ ↓ YouTube link styles ↓ ↓ ↓ -- */

#youtube-link {
  bottom: 10px;
}

#youtube-link > i {
  color: rgb(239, 83, 80);
}

#source-link {
  bottom: 60px;
}

#source-link > i {
  color: rgb(94, 106, 210);
}

.link {
  align-items: center;
  backdrop-filter: blur(3px);
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  box-shadow: 2px 2px 2px rgba(0, 0, 0, 0.1);
  cursor: pointer;  
  display: inline-flex;
  gap: 5px;
  left: 10px;
  padding: 10px 20px;
  position: fixed;
  text-decoration: none;
  z-index: 100;
}

.link:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.link > i, .link > span {
  height: 20px;
  line-height: 20px;
}

.link > span {
  color: white;
}





--------js-----------


document.getElementById("cards").onmousemove = e => {
  for(const card of document.getElementsByClassName("card")) {
    const rect = card.getBoundingClientRect(),
          x = e.clientX - rect.left,
          y = e.clientY - rect.top;

    card.style.setProperty("--mouse-x", `${x}px`);
    card.style.setProperty("--mouse-y", `${y}px`);
  };
}