{% chat nickname=player.role channel=group.id %}
<style>
    .otree-chat {
        height: 200px;
        width : 50%;
    }
    .otree-chat__messages {
        height: 80%;
        width : 100%;
    }
    .otree-chat__input {
        height: 15%;
        width : 87%;
    }
    .otree-chat__btn-send {
        border-radius:25px;
    }
    .otree-chat__nickname {
        color: black;
        font-weight: bold;
    }
</style>