chat css

* {
    margin: 0;
    padding: 0
}

body {
    background: #2ecc71;
    font-family:Arial, Helvetica, sans-serif;
}

.container {
    width: 100px;
    height: 1000px;
    background: yellow;
    margin-left: auto;
    margin-right: auto;
    position: relative;
}

.chatbox_head{
    width: 250px;
    background: #e74c3c;
    color: white;
    font-weight: bold;
    position: fixed;
    right: 15px;
    bottom: 0px;
}

.chatbox_body {
    width: 250px;
    max-height: 400px;
    background: white;
    color: black;
    position: relative;
    overflow: scroll;
}

.messbox {
    width: 200px;
    height: 250px;
    background: gray;
    position: fixed;
    right: 280px;
    bottom: 0px;
}