.chatUserFrom.user2889607{color:#030a01;} .chatUserFrom.user2889607+span {font-weight: bold;}
.chatInputText { font-size: 15px; }
const styleOptions = {  
    botAvatarInitials: 'BT',  
    accent: '#00809d',  
    botAvatarBackgroundColor: '#FFFFFF',  
    botAvatarImage: 'https://learn.microsoft.com/azure/bot-service/v4sdk/media/logo_bot.svg',  
    userAvatarImage: 'https://avatars.githubusercontent.com/u/661465'  
};  
window.WebChat.renderWebChat({  
    directLine: botConnection,  
    styleOptions  
}, document.getElementById('webchat'));