bridget/assets/css/_partial/_image.scss

.image_container {
  position: fixed;
  top: 0;
  left: 0;
  opacity: 1;
  display: flex;
  align-items: center;
  
  img {
    max-height: 50vmin;
    max-width: 100vw;
    height: auto;
    width: auto;
    object-fit: contain;
  }
  
  &[data-status='t0'] {
    transition: all 0.5s ease-in-out 0.6s;
    max-height: calc(100vh - var(--footer-height));
  
    img {
      transition: all 0.5s ease-in-out 1.1s;
      max-height: calc(100vh - var(--footer-height));
    }
  }
  
  &[data-status='t1'] {
    transition: all 0.2s ease-out 0.4s;
    opacity: 0;
    margin-top: 30px;
  }
  
  &[data-status='t2'] {
    transition: all 0.2s ease-out 0.3s;
    opacity: 0;
    margin-top: 30px;
  }
  
  &[data-status='t3'] {
    transition: all 0.2s ease-out 0.2s;
    opacity: 0;
    margin-top: 30px;
  }
  
  &[data-status='t4'] {
    transition: all 0.2s ease-out 0.1s;
    opacity: 0;
    margin-top: 30px;
  }
  
  &[data-status='r0'] {
    transition: all 0.5s ease-in-out 0.8s;
    opacity: 1;
  
    img {
      transition: all 0.8s ease-in-out 0s;
      max-height: 50vmin;
    }
  }
  
  &[data-status='r1'] {
    transition: all 0.2s ease-out 1.3s;
    opacity: 1;
  }
  
  &[data-status='r2'] {
    transition: all 0.2s ease-out 1.4s;
    opacity: 1;
  }
  
  &[data-status='r3'] {
    transition: all 0.2s ease-out 1.5s;
    opacity: 1;
  }
  
  &[data-status='r4'] {
    transition: all 0.2s ease-out 1.6s;
    opacity: 1;
  }
  
  &#layer5 {
    z-index: 1;
  }
  
  &#layer4 {
    z-index: 2;
  }
  
  &#layer3 {
    z-index: 3;
  }
  
  &#layer2 {
    z-index: 4;
  }
  
  &#layer1 {
    z-index: 5;
  }
}

.images {
  
  img {
    position: absolute;
    top: 0;
    left: 0;
    object-fit: contain;
    max-height: 55vmin;
    max-width: 100vw;
  
    &[data-status='null'] {
      opacity: 1;
    }
  
    &[data-status='top'] {
      opacity: 1;
      max-height: calc(100vh - var(--footer-height));;
      transition-property: transform, max-height;
      transition-timing-function: ease-in-out;
      transition-duration: 0.5s, 0.5s;
    }
  
    &[data-status='trail'] {
      opacity: 0;
      margin-top: 40px;
      transition-property: opacity, margin-top;
      transition-timing-function: ease-out;
      transition-duration: 0.2s;
    }
    
    &[data-status='resumeTop'] {
      opacity: 1;
      max-height: 55vmin;
      transition-property: max-height, transform;
      transition-timing-function: ease-in-out;
      transition-duration: 0.7s, 0.5s;
    }
    
    &[data-status='resume'] {
      opacity: 1;
      margin-top: 0;
      transition-property: opacity, margin-top;
      transition-timing-function: ease-out;
      transition-duration: 0.2s;
    }
  }
}