div.scrollable {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    overflow-y: scroll;
    background-color: white;
}
.y-bg{
    background-color: #cdcd94;
}
.username{
    color: maroon;
    font-family: Arial;
    font-size: 11pt;
    margin-right: 5px;
}
.usernamelist{
    cursor: pointer;
    color: maroon;
    font-family: Arial;
    font-size: 11pt;
    margin-right: 5px;
}
.b{
    font-weight: bold;
}
.welcome{
    color: green;
}
.userlist-smiley{
    margin-left: 5px;
}
.userlist-highlight{
    background-color: #327ef0;
}
.mention{
    background-color: red;
}