.tree, .tree ul {
    margin:0;
    padding:0;
    list-style:none
}
.tree ul {
    margin-left:1em;
    position:relative
}
.tree ul ul {
    margin-left:.5em
}
.tree ul:before {
    content:"";
    display:block;
    width:0;
    position:absolute;
    top:0;
    bottom:0;
    left:0;
    border-left:1px solid
}
.tree li {
    margin:0;
    padding:0 1em;
    line-height:2em;
    color:#369;
    font-weight:700;
    position:relative
}
.tree ul li:before {
    content:"";
    display:block;
    width:10px;
    height:0;
    border-top:1px solid;
    margin-top:-1px;
    position:absolute;
    top:1em;
    left:0
}
.tree ul li:last-child:before {
    background:#fff;
    height:auto;
    top:1em;
    bottom:0
}
.indicator {
    margin-right:5px;
}
.tree li a {
    text-decoration: none;
    color:#369;
}
.tree li button, .tree li button:active, .tree li button:focus {
    text-decoration: none;
    color:#369;
    border:none;
    background:transparent;
    margin:0px 0px 0px 0px;
    padding:0px 0px 0px 0px;
    outline: 0;
}


/*.col-md-2, .col-md-10{
padding:0;
}*/
/*.panel{
margin-bottom: 0px;
}*/
.chat-window{
bottom:0;
position:fixed;
float:right;
margin-left:10px;
}
.chat-window > div > .panel{
border-radius: 5px 5px 0 0;
}
.icon_minim{
padding:2px 10px;
}
.msg_container_base{
background: #e5e5e5;
margin: 0;
padding: 0 10px 10px;
max-height:300px;
overflow-x:hidden;
}
.top-bar {
background: #666;
color: white;
padding: 10px;
position: relative;
overflow: hidden;
}
.msg_receive{
padding-left:0;
margin-left:0;
}
.msg_sent{
padding-bottom:20px !important;
margin-right:0;
}
.messages {
background: white;
padding: 10px;
border-radius: 2px;
box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
max-width:100%;
}
.messages > p {
font-size: 13px;
margin: 0 0 0.2rem 0;
}
.messages > time {
font-size: 11px;
color: #ccc;
}
.msg_container {
padding: 10px;
overflow: hidden;
display: flex;
}
/*img {
display: block;
width: 100%;
}*/
.avatar {
position: relative;
}
.base_receive > .avatar:after {
content: "";
position: absolute;
top: 0;
right: 0;
width: 0;
height: 0;
border: 5px solid #FFF;
border-left-color: rgba(0, 0, 0, 0);
border-bottom-color: rgba(0, 0, 0, 0);
}

.base_sent {
justify-content: flex-end;
align-items: flex-end;
}
.base_sent > .avatar:after {
content: "";
position: absolute;
bottom: 0;
left: 0;
width: 0;
height: 0;
border: 5px solid white;
border-right-color: transparent;
border-top-color: transparent;
box-shadow: 1px 1px 2px rgba(black, 0.2); // not quite perfect but close
}

.msg_sent > time{
float: right;
}



.msg_container_base::-webkit-scrollbar-track
{
-webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.3);
background-color: #F5F5F5;
}

.msg_container_base::-webkit-scrollbar
{
width: 12px;
background-color: #F5F5F5;
}

.msg_container_base::-webkit-scrollbar-thumb
{
-webkit-box-shadow: inset 0 0 6px rgba(0,0,0,.3);
background-color: #555;
}

.btn-group.dropup{
position:fixed;
left:0px;
bottom:0;
}