chamilo-lms/public/main/inc/lib/javascript/chat/css/chat.css

.chatboxmain {
    position: fixed;
    width: auto;
    z-index: 9000;
    bottom: 0px;
    right: 20px;
    display: block;
}

.chatboxheadmain {
    color: #ffffff;
    background-color: #000;
    min-height: 34px;
    padding: 0 10px;
}

#chatboxtitlemain {
    font-weight: normal;
    float: left;
    font-size: 12px;
    padding-top: 2px;
    cursor: pointer;
}

.user_status_main {
    width: 18px;
    display: inline;
    float: left;
}

.chatbox {
    position: fixed;
    position: expression("absolute");
    width: 320px;
    display: none;
    z-index: 9000;
}

.chatbox-common {
    word-wrap: break-word;
}

.chatboxmessage_me {
    background-color: #4080ff;
    color: #fff;
    width: 80%;
    float: right !important;
    border-radius: 12px;
}

.chatboxmessage {
    background-color: #ebedf2;
    color: #2a2f35;
    margin-left: 1em;
    width: 80%;
    float: left;
    border-radius: 12px;
}

.chatboxmessagecontent {
}

.chatboxmessage_me .chatboxmessagecontent a {
    color: #ffffff;
}

.chatboxcontent {
    font-family: arial, sans-serif;
    font-size: 13px;
    color: #333333;
    max-height: 200px;
    overflow-y: auto;
    overflow-x: auto;
    padding: 7px;
    border-left: 1px solid #cccccc;
    border-right: 1px solid #cccccc;
    border-bottom: 1px solid #eeeeee;
    background-color: #ffffff;
    line-height: 1.3em;
}

.chatboxcontent .alert {
    margin-bottom: 0;
}

.user_status {
    width: 8px;
    display: inline-block;
    margin-right: 5px;
}

.chatimage {
    display: inline-block;
    margin-right: 5px;
}

.chatboxtitle {
    font-weight: normal;
    display: inline-block;
    font-size: 10px;
    width: auto;
    cursor: pointer;
    overflow: hidden;
    padding-left: 2px;
    text-overflow: ellipsis;
    white-space: nowrap;
    line-height: 10px;
}

.chatboxhead {
    /* background-color: #222; */
    padding: 5px;
    color: #ffffff;
    border-right: 1px solid #222;
    border-left: 1px solid #222;
    background-color: #222;
    background-repeat: repeat-x;
    background-image: -khtml-gradient(linear, left top, left bottom, from(#333333), to(#222222));
    background-image: -moz-linear-gradient(top, #333333, #222222);
    background-image: -ms-linear-gradient(top, #333333, #222222);
    background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #333333), color-stop(100%, #222222));
    background-image: -webkit-linear-gradient(top, #333333, #222222);
    background-image: -o-linear-gradient(top, #333333, #222222);
    background-image: linear-gradient(top, #333333, #222222);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#333333', endColorstr='#222222', GradientType=0);
    -webkit-box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25), inset 0 -1px 0 rgba(0, 0, 0, 0.1);
    -moz-box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25), inset 0 -1px 0 rgba(0, 0, 0, 0.1);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25), inset 0 -1px 0 rgba(0, 0, 0, 0.1);
}

.chatboxblink {
    background-color: #FF921F;
    border-right: 1px solid #EF7A00;
    border-left: 1px solid #EF7A00;
    background-repeat: repeat-x;
    background-image: -khtml-gradient(linear, left top, left bottom, from(#FF921F), to(#FF921F));
    background-image: -moz-linear-gradient(top, #FF921F, #FFAC55);
    background-image: -ms-linear-gradient(top, #FF921F, #FF921F);
    background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #FF921F), color-stop(100%, #FF921F));
    background-image: -webkit-linear-gradient(top, #FF921F, #FF921F);
    background-image: -o-linear-gradient(top, #FF921F, #FF921F);
    background-image: linear-gradient(top, #FF921F, #FF921F);
}

.chatboxinput {
    padding: 5px;
    background-color: #ffffff;
    border-left: 1px solid #cccccc;
    border-right: 1px solid #cccccc;
    border-bottom: 1px solid #cccccc;
}

.chatboxtextarea {
    width: 300px;
    height: 44px;
    padding: 3px 0pt 3px 3px;
    border: 1px solid #eeeeee;
    margin: 1px;
    overflow: hidden;
}

.chatboxtextareaselected {
    border: 2px solid #f99d39;
    margin: 0;
}

.chatboxinfo {
    margin-left: -1em;
    color: #666666;
}

.chatboxmessagefrom {
    margin-left: -1em;
    font-weight: bold;
}

.chatboxoptions {
    float: right;
}

.chatboxoptions a {
    text-decoration: none;
    color: white;
    font-weight: bold;
    font-family: Verdana, Arial, "Bitstream Vera Sans", sans-serif;
}

.chatboxoptions a:hover {
    background-color: #aaa;
}

.chatbox_checks {
    float: right;
}

.chatbox_checked {
    color: #13A7F0;
}