css火狐滚动条样式

/* 自定义滚动条样式 */
.scrollbar {
  scrollbar-width: thin; /* 滚动条宽度 */
  scrollbar-color: #888 #f0f0f0; /* 滚动条颜色和背景色 */
}

/* 隐藏滚动条 */
.scrollbar::-webkit-scrollbar {
  display: none;
}

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Custom Scrollbar</title>
  <style>
    .scrollbar {
      width: 300px;
      height: 200px;
      overflow: auto;
      scrollbar-width: thin;
      scrollbar-color: #888 #f0f0f0;
    }
    .scrollbar::-webkit-scrollbar {
      display: none;
    }
    .content {
      width: 100%;
      height: 1000px;
      background-color: #f0f0f0;
    }
  </style>
</head>
<body>
  <div class="scrollbar">
    <div class="content">Scroll me!</div>
  </div>
</body>
</html>