Scrollbar-1

Scrollbar via CSS

by jshacker

HTML

<div>
  <ul class="scroll-shadows">
    <li>Lorem, ipsum.</li>
    <li>Eligendi, repudiandae.</li>
    <li>Dolor, vel.</li>
    <li>Obcaecati, praesentium.</li>
    <li>Impedit, tenetur.</li>
    <li>Exercitationem, repellat!</li>
    <li>Aut, asperiores!</li>
    <li>Dolor, fuga.</li>
    <li>Ab, aliquid!</li>
    <li>Adipisci, totam.</li>
    <li>Error, dicta.</li>
    <li>Saepe, vero?</li>
    <li>Eveniet, dolorem!</li>
    <li>Id, tempora!</li>
    <li>Voluptate, consectetur?</li>
    <li>Voluptatibus, omnis.</li>
    <li>Eius, fugit.</li>
    <li>Quia, non!</li>
    <li>At, laudantium?</li>
    <li>Commodi, maiores!</li>
  </ul>
</div>

CSS

.scroll-shadows {
  --bgRGB: 73, 89, 99;
  --bg: rgb(var(--bgRGB));
  --bgTrans: rgba(var(--bgRGB), 0);

  --shadow: rgba(41, 50, 56, 0.5);

  max-height: 100px;
  overflow: auto;

  background:
    /* Shadow Cover TOP */
    linear-gradient(var(--bg) 30%, var(--bgTrans)) center top,
    /* Shadow Cover BOTTOM */ linear-gradient(var(--bgTrans), var(--bg) 70%)
      center bottom,
    /* Shadow TOP */
      radial-gradient(farthest-side at 50% 0, var(--shadow), rgba(0, 0, 0, 0))
      center top,
    /* Shadow BOTTOM */
      radial-gradient(
        farthest-side at 50% 100%,
        var(--shadow),
        rgba(0, 0, 0, 0)
      )
      center bottom;

  background-repeat: no-repeat;
  background-size:
    100% 40px,
    100% 40px,
    100% 14px,
    100% 14px;
  background-attachment: local, local, scroll, scroll;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  background: #eee;
  color: #cfd8dc;
  height: 100vh;
  display: grid;
  place-items: center;
  font:
    500 100% system-ui,
    sans-serif;
}
.scroll-shadows {
  background-color: #333;
  --scrollbarBG: transparent;
  --thumbBG: #90a4ae;

  scrollbar-width: thin;
  scrollbar-color: var(--thumbBG) var(--scrollbarBG);
}
.scroll-shadows::-webkit-scrollbar {
  width: 6px;
}
.scroll-shadows::-webkit-scrollbar-track {
  background: var(--scrollbarBG);
}
.scroll-shadows::-webkit-scrollbar-thumb {
  background-color: var(--thumbBG);
  border-radius: 6px;
  border: 3px solid var(--scrollbarBG);
}