.w {
    width:61vmin;
    height:80vmin; 
    margin-top: -5%;
    align-items: center;}
    @media (max-width: 600px) {
      .w {
        width:93vmin;
        height:153vmin; 
        margin-top: -10%;} }
    @media (max-width: 1024px) {
      .w {
        width:93vmin;
        height:140vmin; 
        margin-top: -10%;} }  
    @media (max-width: 1200px) {
      .w {
        width:90vmin;
        height:140vmin; 
        margin-top: -10%;} }      
  
  .ts {
    width:100%; height:100%;
    position:relative;
    --barH:10%;/*active zone height = 100% - barH*/
    align-items: center;
  }
  
  .t {
    --w:20%;
    display:flex; width:var(--w); height:var(--barH);
    position:absolute; bottom:0; left:var(--l);
    transform-origin:top left;
  }
  
  .t img {
    dislay:flex; width:100%; height:100%;
    object-fit:cover;
    transform:scale(0.8);
  }
  
  [type="radio"] { 
    display:none; 
  }
  
  :checked + label.t {
    left:0; bottom:var(--barH);
    height:calc(100% - var(--barH));
  }
  
  :checked + label.t img {
    object-fit:contain;
  }
  
  /* 
  optional
  */
  
  .ts {/*thumbnails bar*/
    perspective:100px;
    perspective-origin:center center;
    transform-style:preserve-3d;
    pointer-events:none;
  }
  
  :not(:checked) + .t {/*inactive labels*/
    transform:translate3d(0, 0, -5px);
    pointer-events:auto;
  }
  
  :not(:checked) + .t:hover {
    transform:translate3d(0, -7px, -5px);
    box-shadow:0 30px 30px -25px rgba(0,0,0,0.3);
    cursor:pointer;
  }
  
  :not(:checked) + .t img {
    transform:scale(0.9);/*create gaps*/
  }
  
  :checked + .t {/*active label*/
    box-shadow:0 0 0 transparent;
    animation:anim 2s 1;
  } @keyframes anim {
    from { transform:rotateY(6deg)rotateX(3deg) }
  }
  
  /* 
  transitions
  */
  .t {/*active->inactive & hover->rest*/
    transition:transform 0.5s, bottom 0.6s, left 0.6s, width 0.3s, box-shadow 1s;
  }
  .t:hover, :checked + .t {
    transition:transform 0.5s, bottom 0.6s, left 0.6s, width 0.3s, box-shadow 0s;
  }