*, *::before, *::after {
    box-sizing: border-box;
  }
  
  :root {
    --bg-color:AntiqueWhite;
    --text-color:black;
    --scroll-pct:0;
  }
  
  body {
    margin: 0;
    overflow: hidden;
    color: var(--text-color);
    background-color: var(--bg-color);
    transition: background-color 1s, color 1s;
  }
  
  .h-track {
    width: 100%;
    height: 100vh;
    overflow-x: auto;
    position: relative;
    overflow-y: hidden;
  }
  .h-track .h-content-container {
    position: relative;
    max-width: unset;
    width: fit-content;
    height: 100%;
    display: flex;
    align-items: stretch;
    transition: transform 0.2s linear;
  }
  .h-track .h-content-container > * {
    display: grid;
    place-items: Center;
    min-width: 100vw;
    height: 100%;
  }
  
  .invisible-scrollbar {
    scrollbar-width: none;
  }
  
  .invisible-scrollbar::-webkit-scrollbar {
    display: none;
  }
  
  .progress-bar {
    margin: 10px auto;
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translate(-50%, 0);
    width: 100%;
    max-width: 50%;
    height: 10px;
    border-radius: 5px;
    border: 1px solid var(--text-color);
    overflow: hidden;
  }
  .progress-bar::before {
    content: "";
    display: block;
    background-color: var(--text-color);
    height: 100%;
    width: var(--scroll-pct);
  }