.messages .message {
    padding: 0.5em;
    border: 1px solid #aaa;
    border-radius: 5px;
    margin-bottom: 0.5em;
}
.chatter {
    font-weight: bold;
}

.chat-input > form {
    display: flex;
    width: 100%;
}
.chat-input > form > input {
    padding: 0.7em;
}
.chat-input > form > input[name="chatter"] {
    width: 20%;
}
.chat-input > form > input[name="message"] {
    width: 75%;
}