<div class="flex-container">
  
  <div class="flex-item">
    <div class="cutebox purple"> 
      <div class="cutebox-bg"></div>
      <footer>
        <span class="color-name">Purple</span>
        <span class="color-value">A35DB5</span>
      </footer>
    </div>
  </div>
  
  <div class="flex-item">
    <div class="cutebox pink">
      <div class="cutebox-bg"></div>
      <footer>
        <span class="color-name">Pink</span>
        <span class="color-value">FF55A1</span>
      </footer>
    </div>
  </div>
  
  <div class="flex-item">
    <div class="cutebox blue">
      <div class="cutebox-bg"></div>
      <footer>
        <span class="color-name">Blue</span>
        <span class="color-value">00CCFE</span>
      </footer>
    </div>
  </div>
</div>

@import url('https://fonts.googleapis.com/css?family=Roboto');

 $box-height: 320px;
 $box-width: 220px;

* {
  box-sizing: border-box;
}

html,
body {
  padding: 0;
  margin: 0;
  width: 100%;
  height: 100%;
}

body {
  background: #FAFAFA;
}

.flex-container {
  display: flex;
  flex-flow: row wrap;
  padding: 24px 0;
  position: absolute;
  width: 100%;
  max-width: 1200px;
  margin: auto;
  left: 0;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  padding: 0 5%;
  
  @media (max-width: 640px) {
    top: 0;
    transform: translateY(0);  
  }
  >.flex-item {
    flex: 0 1 33.33%;
    
    @media (max-width: 640px) {
      flex: 0 1 100%;
      padding-bottom: 32px;
      
      &:first-child{
        padding-top: 32px;
      }
    }
  }
}

.cutebox {
  height: $box-height;
  width:  $box-width;
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  font-family: Roboto, sans-serif;
  margin: auto;
  transition: transform .2s ease, box-shadow .2s ease;
  will-change: transform;
  transform: translateZ(0);
  
  @media (max-width: 960px){
   height: $box-height/1.1;
   width:  $box-width/1.1; 
  }
  
  @media (max-width:  768px){
   height: $box-height/1.3;
   width:  $box-width/1.3;
  }
  
  @media (max-width: 640px) {
    width: 100%;
  }
  
  &:after {
    content: "";
    color: white;
    display: block;
    position: absolute;
    z-index: 5;
    width: 100%;
    height: calc(100% - 96px);
    line-height: 240px;
    text-align: center;
    top: 0;
    left: 0;
    font-size: 48px;
    outline-offset: -90px;
    opacity: 0;
    transition: opacity .4s ease;
    will-change: opacity, transform;
    

    @media (max-width: 960px){
      line-height: 200px;
    }
    
    @media (max-width: 768px){
      line-height: 160px;
    }
        
  }
  
  &.purple {
    color: #A35DB5;
    box-shadow: 0 0 32px rgba(#A35DB5, 0.2);
    
    &:after{
      content:"👾";
      letter-spacing: 2px;
    }
  }
  &.pink {
    color: #FF55A1;
    box-shadow: 0 0 32px rgba(#FF55A1, 0.2);
    
    &:after{
      content:"🦄";
      letter-spacing: 6px;
    }
  }
  &.blue {
    color: #00CCFE;
    box-shadow: 0 0 32px rgba(#00CCFE, 0.2);
    
    &:after{
      content:"🐳";
    }
  }
  
  .cutebox-bg {
    position: absolute;
    background: currentColor;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    box-shadow: inset 0 0 0 1px rgba(black, 0.1);
    border-top-left-radius: 4px;
    border-top-right-radius: 4px;
    border-bottom-left-radius: 6px;
    border-bottom-right-radius: 6px;
  }
  
  footer {
    width: 100%;
    height: 96px;
    background-color: white;
    position: absolute;
    bottom: 0;
    padding: 24px 24px;
    border: 1px solid rgba(#000, 0.1);
    border-top: none;
    border-bottom-left-radius: 4px;
    border-bottom-right-radius: 4px;
    
    span {
      display: inline-block;
      width: 100%;
      line-height: 1.4;
      font-weight: bold;
      
      &.color-name {
        font-size: 16px;
        color: rgba(black, 0.40);
        letter-spacing: 0.4px;
      }
      &.color-value {
        font-size: 20px;
        color: rgba(black, 0.80);
        letter-spacing: 0.4px;
      }
    }
  }
  &:hover {
    transform: scale(1.05) translateY(-5px) translateZ(0);
    
    &:after {
      opacity: 1;
      animation: zoomout .2s ease;
    }
    
    &.purple {
      color: #A35DB5;
      box-shadow: 0 0 48px rgba(#A35DB5, 0.1);
    }
    
    &.pink {
      color: #FF55A1;
      box-shadow: 0 0 48px rgba(#FF55A1, 0.1);
    }
    
    &.blue {
      color: #00CCFE;
      box-shadow: 0 0 48px rgba(#00CCFE, 0.1);
    }
    
    footer span.color-value {
      color: currentColor !important;
    }
  }
}



@keyframes zoomout {
  from {
    transform: scale(5);
  }
  
  to {
    transform: scale(1)
  }
}