body{
font-family:Arial;
background:#f4f6fb;
text-align:center;
}

.container{
margin-top:100px;
}

input{
padding:10px;
margin:5px;
}

button{
padding:10px 20px;
background:#6a5cff;
color:white;
border:none;
cursor:pointer;
}

#chatBox{
width:300px;
height:200px;
margin:auto;
overflow-y:scroll;
border:1px solid #ccc;
background:white;
padding:10px;
}

.hidden{
display:none;
}