.container {
    position:relative;
    z-index:2;
    width:100%;
    height:calc(100% - 100px);
    min-height:200px;
    overflow-y:scroll;
}

.container > div {
    display:flex;
    flex-direction:column;
    justify-content:flex-end;
    position:relative;
    width:fit-content;
    min-height:100%;
}

.text_container {
    width:600px;
    box-sizing:border-box;
    padding:10px;
    text-align:left;
    border-top:1px solid #888888;
    border-bottom:1px solid #888888;
    margin-top:-1px;
}

.text_container.machine {
    background-color:#F2F2F2;
}

.chat_box {
    position:fixed;
    width:600px;
    height:45px;
    left:50%;
    margin-left:-300px;
    top:100%;
    margin-top:-80px;
    z-index:20;
}

#send_message {
    height:45px;
}

#send {
    width:100%;
    height:100%;
    border:1px solid #DDDDDD;
    border-radius:5px;
    box-shadow:0px 0px 5px #CCCCCC;
    font-size:16px;
    box-sizing:border-box;
    padding:20px;
}

.version_selection {
    z-index:10;
    position:fixed;
    display:block;
    background-color:#EEEEEE;
    width:280px;
    height:50px;
    border-radius:5px;
    left:50%;
    margin-left:-140px;
    top:20px;
}

.version_selection > div {
    padding:6px;
    height:38px;
}

.vs_element {
    line-height:38px;
    float:left;
    width:50%;
    height:100%;
    font-weight:bold;
    background-image:url(../imgs/logo.png);
    background-repeat:no-repeat;
    background-size:32px;
    background-position:5px center;
    color:black;
    opacity:.4;
    cursor:pointer;
    padding-left:50px;
    box-sizing:border-box;
}

.vs_selected {
    opacity:1 !important;
    background-color:white;
    border-radius:4px;
}

.watermark {
    position:absolute;
    text-align:center;
    width:300px;
    font-size:28px;
    font-weight:bold;
    left:50%;
    margin-left:-150px;
    top:150px;
    color:#DDDDDD;
    z-index:1;
}