*, *::after, *::before {
    box-sizing: border-box;
  }
  
  :root {
    --handle-size: 3rem;
    --img-gap: .25rem;
  }
  
  body {
    margin: 0;
  }
  
  .container {
    display: flex;
    justify-content: center;
    overflow: hidden;
  }
  
  .slider {
    --items-per-screen: 4;
    --slider-index: 0;
    display: flex;
    flex-grow: 1;
    margin: 0 var(--img-gap);
    transform: translateX(calc(var(--slider-index) * -100%));
    transition: transform 250ms ease-in-out;
  }
  
  .slider > img {
    flex: 0 0 calc(100% / var(--items-per-screen));
    max-width: calc(100% / var(--items-per-screen));
    padding: var(--img-gap);
    transition: all ease-out 0.5s;
    border-radius: 1rem;
  }
  .slider > img:hover{
    margin: 0 40px;
    transform: scale(1.2);
    transition: all ease-out 0.5s;
    cursor: pointer;
    border-radius: 1rem;
  }
  
  .handle {
    border: none;
    border-radius: 1rem;
    flex-grow: 0;
    flex-shrink: 0;
    background-color: rgba(255, 255, 255, .25);
    z-index: 10;
    margin: var(--img-gap) 0;
    width: var(--handle-size);
    cursor: pointer;
    font-size: 5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    line-height: 0;
    transition: background-color 150ms ease-in-out;
  }
  
  .left-handle {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
  }
  
  .right-handle {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
  }
  
  .handle:hover,
  .handle:focus {
    background-color: rgba(255, 255, 255, .5);
  }
  
  .text {
    transition: transform 150ms ease-in-out;
  }
  
  .handle:hover .text,
  .handle:focus .text {
    transform: scale(1.2);
  }
  
  .header {
    display: flex;
    justify-content: space-between;
    padding: .5rem calc(var(--img-gap) * 2 + var(--handle-size));
    align-items: center;
  }
  
  .title {
    font-size: 2rem;
    margin: 0;
  }
  
  .progress-bar {
    display: flex;
    gap: .25rem;
  }
  
  .progress-item {
    flex: 0 0 1.5rem;
    min-width: 1.5rem;
    height: .5rem;
    background-color: rgba(255, 255, 255, .5);
  }
  
  .progress-item.active {
    background-color: rgba(255, 255, 255, .9);
  }
  
  @media (max-width: 1000px) {
    .slider {
      --items-per-screen: 3;
    }
  }
  
  @media (max-width: 500px) {
    .slider {
      --items-per-screen: 2;
    }
  }
  
  body {
    background-color: #1a1a1a;
    color: white;
  }