iu9-ca-web-chat/assets/css/chat.css

body, html {
    height: 100%;
}

#chat-widget {
    position: relative;
    flex: 1;
    background-color: #f1f1f1;
    color: black;
    overflow: hidden;
}

#chat-widget .message-box {
    position: absolute;
    right: 5px;
    max-width: 300px;
    border: 2px solid dimgrey;
    padding: 5px;
    background-color: white;
    color: black;
}

/* in #chat-widget .message-box */
.message-box-top{
    /* You see, each message contains a 20+2+2 px high icon that HAS TO BE LOADED FIRST.
    This happens after window.onload, so I added a crutch: loading won't update height in
     unpredictable moment. cause it will be already high enough. BUGA-GA-GA!! */
    min-height: 30px;
    display: block;
}

.message-box-sender-name{
    font-weight: bold;
    color: black;
    text-decoration: none;
    padding: 2px;
    display: inline;
}

.message-box-sender-name:hover{
    color: #1060ff
}

.message-box-button{
    width: 20px;
    padding: 2px;
    cursor: pointer;
}

.message-box-msg{
    word-wrap: break-word;
}

#input-panel #message-input{
    padding: 15px;
    height: auto;
    width: 100%;
    display: inline-block;
    background-color: white;
    border: 1px solid #1000d0;
    border-radius : 7px;
    font-size: .9rem;
    margin: 10px;
}