[CSS] 스크롤바 없애기

<div class="container">
  <span>Content</span>
  <span>Content</span>
  <span>Content</span>
  <span>Content</span>
  <span>Content</span>
  <span>Content</span>
  ....
  <span>Content</span>
  <span>Content</span>
  <span>Content</span>
  <span>Content</span>
</div>

.container{
  -ms-overflow-style: none; /* IE and Edge */
  scrollbar-width: none; /* Firefox */
}
.container::-webkit-scrollbar{
  display: none;
}