css for obs youtube chatbox

chatbox.css

@import url("https://fonts.googleapis.com/css?family=Noto Sans");

html {
  background-color: rgba(0,0,0,0);
}

/* Background colors*/
body {
  overflow: hidden;
  background-color: rgba(0,0,0,0);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 1) 2em );
}

/* Transparent background. */
yt-live-chat-renderer {
  background-color: transparent !important;
}

yt-live-chat-text-message-renderer {
    background-color: rgba(0, 0, 0, 0.8) !important;
    border-radius: 0.15em;

    box-shadow: 0 0.1em 0.2em rgba(0,0,0,0.5);
    animation: fadeInUp .5s ease, fadeOutUp .5s ease 100000s forwards;
    margin-left: 4px;
    margin-bottom: 2px;
    width: 234px;
}

yt-live-chat-author-chip #author-name {
  background-color: transparent !important;
}
/* Outlines */
yt-live-chat-renderer * {
  font-family: "Noto Sans";
  font-size: 12px !important;
  line-height: 12px !important;
}

yt-live-chat-text-message-renderer #content,
yt-live-chat-legacy-paid-message-renderer #content {
  overflow: initial !important;
}

/* Hide scrollbar. */
yt-live-chat-item-list-renderer #items{
  overflow: hidden !important;
}

yt-live-chat-item-list-renderer #item-scroller{
  overflow: hidden !important;
}

/* Hide header and input. */
yt-live-chat-header-renderer,
yt-live-chat-message-input-renderer {
  display: none !important;
}

/* Reduce side padding. */
yt-live-chat-text-message-renderer,
yt-live-chat-legacy-paid-message-renderer {
    padding-left: 4px !important;
  padding-right: 4px !important;
}

yt-live-chat-paid-message-renderer #header {
    padding-left: 4px !important;
    padding-right: 4px !important;
}

/* Avatars. */
yt-live-chat-text-message-renderer #author-photo,
yt-live-chat-paid-message-renderer #author-photo,
yt-live-chat-legacy-paid-message-renderer #author-photo {
  display: none !important;
  width: 24px !important;
  height: 24px !important;
  border-radius: 24px !important;
  margin-right: 6px !important;
}

/* Hide badges. */
yt-live-chat-text-message-renderer #author-badges {
  display: none !important;
  vertical-align: text-top !important;
}

/* Timestamps. */
yt-live-chat-text-message-renderer #timestamp {
  
  color: #999999 !important;
  font-family: "Noto Sans";
  font-size: 12px !important;
  line-height: 12px !important;
}

/* Badges. */
yt-live-chat-text-message-renderer #author-name[type="owner"],
yt-live-chat-text-message-renderer #author-name.owner,
yt-live-chat-text-message-renderer yt-live-chat-author-badge-renderer[type="owner"] {
  color: #ffd600 !important;
}

yt-live-chat-text-message-renderer #author-name[type="moderator"],
yt-live-chat-text-message-renderer #author-name.moderator,
yt-live-chat-text-message-renderer yt-live-chat-author-badge-renderer[type="moderator"] {
  color: #5e84f1 !important;
}

yt-live-chat-text-message-renderer #author-name[type="member"],
yt-live-chat-text-message-renderer #author-name.member,
yt-live-chat-text-message-renderer yt-live-chat-author-badge-renderer[type="member"] {
  color: #0f9d58 !important;
}

/* Channel names. */
yt-live-chat-text-message-renderer #author-name {
  color: #cccccc !important;
  font-family: "Noto Sans";
  font-size: 12px !important;
  line-height: 12px !important;
}

yt-live-chat-text-message-renderer #author-name::after {
  content: ":";
  margin-left: 2px;
}

/* Messages. */
yt-live-chat-text-message-renderer #message,
yt-live-chat-text-message-renderer #message * {
  color: #ffffff !important;
  font-family: "Noto Sans";
  font-size: 12px !important;
  line-height: 12px !important;
}


/* SuperChat/Fan Funding Messages. */
yt-live-chat-paid-message-renderer #author-name,
yt-live-chat-paid-message-renderer #author-name *,
yt-live-chat-legacy-paid-message-renderer #event-text,
yt-live-chat-legacy-paid-message-renderer #event-text * {
  color: #ffffff !important;
  font-family: "Noto Sans";
  font-size: 12px !important;
  line-height: 12px !important;
}

yt-live-chat-paid-message-renderer #purchase-amount,
yt-live-chat-paid-message-renderer #purchase-amount *,
yt-live-chat-legacy-paid-message-renderer #detail-text,
yt-live-chat-legacy-paid-message-renderer #detail-text * {
  color: #ffffff !important;
  font-family: "Noto Sans";
  font-size: 12px !important;
  line-height: 12px !important;
}

yt-live-chat-paid-message-renderer #content,
yt-live-chat-paid-message-renderer #content * {
  color: #ffffff !important;
  font-family: "Noto Sans";
  font-size: 12px !important;
  line-height: 12px !important;
}

yt-live-chat-paid-message-renderer {
  margin: 4px 0 !important;
}

yt-live-chat-legacy-paid-message-renderer {
  background-color: #0f9d58 !important;
  margin: 4px 0 !important;
}

yt-live-chat-text-message-renderer a,
yt-live-chat-legacy-paid-message-renderer a {
  text-decoration: none !important;
}

yt-live-chat-text-message-renderer[is-deleted],
yt-live-chat-legacy-paid-message-renderer[is-deleted] {
  display: none !important;
}

yt-live-chat-ticker-renderer {
  background-color: transparent !important;
  box-shadow: none !important;
}
yt-live-chat-ticker-renderer {
  display: none !important;
}


yt-live-chat-ticker-paid-message-item-renderer,
yt-live-chat-ticker-paid-message-item-renderer *,
yt-live-chat-ticker-sponsor-item-renderer,
yt-live-chat-ticker-sponsor-item-renderer * {
  color: #ffffff !important;
  font-family: "Noto Sans";
}

yt-live-chat-mode-change-message-renderer, 
yt-live-chat-viewer-engagement-message-renderer, 
yt-live-chat-restricted-participation-renderer {
  display: none !important;
}

#item-offset {
  height: 150px !important;
}

Hey there,
thank you for the code it's really great.
Could I ask how could you stick all the messages on the bottom of the screen so that the new message always appear on the bottom and the rest scroll up ? (Like twitch would do)

Thank you so much