Streamlabs Chatbox with avatars

chat.css

@import url('https://fonts.googleapis.com/css?family=Orbitron&display=swap');

* {
  display;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    overflow: hidden;
}

body {

    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    font-size: {font_size};
    line-height: 1.5em;
    color: {text_color}
}

.colon {
  display: none;
}

#log {
  position: absolute;
  bottom: 0;
  left: 0;
  padding: 0 10px 10px;
  width: 100%;
  box-sizing: border-box;
}

#log > div {
  display: flex;
  flex-wrap: nowrap;
  justify-content: flex-end;
  align-items: flex-end;
  text-align: right;
  padding-bottom: 20px;
  box-sizing: border-box;
  transition: 300ms visibility ease-in-out;
  -webkit-transition: 300ms visibility ease-in-out;
  animation: fadeInLeft .3s ease forwards, fadeOut 0.5s ease {message_hide_delay} forwards;
  -webkit-animation: fadeInLeft .3s ease forwards, fadeOut 0.5s ease {message_hide_delay} forwards;
}

#log > div:last-child {
  padding-bottom: 0;
}

#log > div.deleted {
  visibility: hidden;
}

#log .meta {
  text-align: right;
  padding-right: 10px;
  box-sizing: border-box;
}

#log .message {
  word-wrap: break-word;
  width: 100%;
  letter-spacing: 0.5px;
  color: #FFFFFF;
  text-shadow: 0px 0px 8px rgba(235, 84, 197, 0.9), 
    0px 0px 6px rgba(235, 84, 197, 0.9), 
    0px 0px 4px rgba(235, 84, 197, 0.9), 
    0px 0px 3px rgba(255, 255, 255, 0.5), 
    0 2px 0 rgba(0, 0, 0, 0.9);
  background-color: rgba(0, 0, 0, 0.7);
  padding: 15px;
  border-radius: 20px 20px 20px 0px;
  text-align: left;
  vertical-align: middle;
}

#log .message .author {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  text-shadow: none;
}

#log .message .author .badges {
  display: flex;
}

#log .emote {
  display: inline;
  line-height: 1em;
  padding-left: 0.25em;
  padding-right: 0.25em;
  box-sizing: border-box;
  position: relative;
  background-image: none !important;
  vertical-align: bottom;
}

#log .emote > img {
  width: auto;
  height: 1.85em;
}

#log .pic > img {
  border-radius: 50%;
}

.badge {
  display: block;
  height: 1em;
  margin-right: 0.2em;
  vertical-align: middle;
}

.name {
    margin-left: 0.2em;
}

.tw-avatar{
    width: 50;
}

chat.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}">
    <div class="meta">
      <div class="pic">
        <img class="message-{from}-avatar" src="https://cdn.discordapp.com/attachments/618989681316724737/619015100770287686/default_picture.jpg" width="50" height="50" alt="">
      </div>
  	</div>

    <div class="message">
    	<div class="author" style="color: {color}">
      	<div class="badges"></div>
      	<div class="name">{from}</div>
      </div>
      {message}
    </div>
  </div>
</script>

chat.js

document.addEventListener('onLoad', function(obj) {
	// obj will be empty for chat widget
	// this will fire only once when the widget loads
});

const clientId = 'rj73sxdx0hxur1u9lw34ig549ah9aw';
const endpoint = channelName => `https://api.twitch.tv/helix/users?login=${channelName}`;
const defaultAvatarUrl = 'https://cdn.discordapp.com/attachments/618989681316724737/619015100770287686/default_picture.jpg';
const cache = {};

document.addEventListener('onEventReceived', function(obj) {
  if (!obj || typeof obj.detail === 'undefined' || obj.detail === null) {
    return;
  }
  
  const { from: username, messageId, tags } = obj.detail;
  const displayName = tags['display-name'] || null;
  console.log(displayName, '<-');
  
  if (!username) {
    return;
  }
  
  if (typeof cache[username] !== 'undefined') {
    const elems = displayName !== null ? document.getElementsByClassName(`message-${displayName}-avatar`) : document.getElementsByClassName('message--avatar');
    
    for (const elem of elems) {
      elem.src = cache[username];
    }
    
    return;
  }
  
 	fetch(endpoint(username), {
    method: 'GET',
  	headers: {
    	'Client-ID': clientId
    }
  }).then(r => {
    if (r.status < 200 || r.status > 299) {
      cache[username] = defaultAvatarUrl;
      
      return;
    }
    
    return r.json();
  }).then(({ data }) => {
		const [ user ] = data;
    
    cache[username] = user['profile_image_url'];
  }).catch(() => {
    cache[username] = defaultAvatarUrl;
  }).finally(() => {
    const elems = displayName !== null ? document.getElementsByClassName(`message-${displayName}-avatar`) : document.getElementsByClassName('message--avatar');
    
    for (const elem of elems) {
      elem.src = cache[username];
    }
  });
});

Streamlabs keeps saying "Invalid .JSON" and I'm just copy pasting the css code into the custom css code field in Streamlabs

still not showing youtube avatar