index.html

<!-- item will be appened to this layout -->
<div id="log" class="sl__chat__layout">
</div>

<!-- chat item -->
<script type="text/template" id="chatlist_item">
  <div data-from="{from}" data-id="{messageId}">
    <span class="meta" style="color: {color}">
      <span class="badges">
      </span>
      <span class="name">{from}</span>
    </span>

    <span class="message">
      {message}
    </span>
  </div>
</script>

twitch.css

@import url("https://fonts.googleapis.com/css2?family=Roboto+Condensed:wght@300;400&display=swap");

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  overflow: hidden;
  background: rgb(34, 34, 34);
}

body {
  background: none;
  font-family: "Roboto Condensed", sans-serif;
  font-weight: 300;
  font-size: 20px;
  line-height: 1.5em;
  color: #ffffff;
}

#log > div {
  margin-bottom: 10px;
  display: flex;
}

.colon {
  display: none;
}

#log {
  display: table;
  position: absolute;
  bottom: 0;
  left: 0;
  padding: 0 10px 10px;
  width: 100%;
  table-layout: fixed;
}

#log > div.deleted {
  transition: all 1s;
  transform: scale(0);
}

#log .emote {
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  padding: 0.4em 0.2em;
  position: relative;
}

#log .emote img {
  display: inline-block;
  height: 1em;
  opacity: 0;
}

#log .message,
#log .meta {
  vertical-align: top;
  display: table-cell;
  padding-bottom: 0.1em;
}

#log .meta {
  width: 35%;
  text-align: right;
  padding-right: 0.5em;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}

#log .message {
  word-wrap: break-word;
  width: 65%;
  background: rgb(42, 42, 42);
  padding: 5px 10px;
  border-radius: 5px;
  animation: opacidade 1s ease-in;
}
@keyframes opacidade {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

.badge {
  display: inline-block;
  margin-right: 0.2em;
  position: relative;
  height: 1em;
  vertical-align: middle;
  top: -0.1em;
}

.name {
  margin-left: 0.2em;
  color: #ececec;
  font-weight: 400;
  text-transform: uppercase;
}