owncast/web/components/ui/Sidebar/Sidebar.module.scss

.root {
  background-color: var(--theme-background-secondary);
  display: none;
}

@media (min-width: 768px) {
  .root {
    position: sticky;
    top: var(--header-h);
    display: block;
    max-height: calc(100vh - var(--header-h));
  }
}
/* 
First div is .ant-layout-sider-children
Only way to target it apparently
*/
.root > div {
  display: flex;
  flex-flow: column nowrap;
  -moz-box-flex: 1 !important;
  flex-grow: 1 !important;
  height: 100% !important;
}

.chatHeader {
  text-align: center;
  color: var(--text-color-secondry);
  border-bottom: 1px solid var(--color-owncast-gray-700);
  font-variant: small-caps;
}