.sidebar {
    display: flex;
    flex-direction: column;
    /*background: #157cce;*/
    border: 1px solid #eee;
    background: white;
    color: white;
}
  .sidebar a {
    color: white; }
  .sidebar i {
    font-size: 14px;
    color: blue; }
    .sidebar .header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        background: blue;
        color: white;
        height: 40px;
        padding: 10px;
    }
    .sidebar .header h5 {
        font-size: 14px;
        font-weight: 500;
        margin: 0;
        text-transform: uppercase;
    }
        .sidebar .header i {
            color: white;
            font-size: 14px;
        }
  .sidebar ul {
    overflow-y: auto; }
  .sidebar ul li a {
    display: block;
    padding: 2px 10px;
    font-size: 14px;
    text-decoration: none; }
    .sidebar ul li a.active {
      background: #8abde6; }
    .sidebar ul li a:hover {
      background: #8abde6; }
    .sidebar ul li a:before {
      content: "#";
      margin-right: 2px; }
  .sidebar .profile {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 48px;
    padding: 10px;
    background: #1a6baa;
    margin-top: auto; }
    .sidebar .profile div {
      display: flex;
      align-items: center;
      flex-grow: 1; }
      .sidebar .profile div .user-avatar {
        width: 32px;
        height: 32px;
        border: 2px solid white;
        padding: 1px;
        border-radius: 50%;
        margin-right: 5px; }
      .sidebar .profile div a {
        font-size: 14px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 120px; }
    .sidebar .profile .btn-sign-out {
      background: none;
      border: none; }

.main-content {
  border-right: 1px solid #eee;
  display: flex;
  flex-direction: column;
  overflow: hidden; }
  .main-content .header {
    height: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    border-bottom: 1px solid #eee; }
    .main-content .header h5 {
      margin: 0;
      font-size: 18px; }
      .main-content .header h5:before {
        content: "#"; }
  .main-content .chat-body {
    overflow-y: auto;
    flex-grow: 1;
    padding: 10px; }
  .main-content .chat-input {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    background: #f2f2f2; }
    .main-content .chat-input input {
      width: 100%;
      border: none;
      height: 50px;
      border-radius: 0;
      border-top: 1px solid #eee;
      background: #f2f2f2;
      margin-top: auto;
      text-indent: 10px; }
    .main-content .chat-input input[type="file"] {
      display: none; }
    .main-content .chat-input .actions {
      padding: 0 10px; }
      .main-content .chat-input .actions i {
        color: #aaa;
        cursor: pointer; }
        .main-content .chat-input .actions i:hover {
          color: #555; }
      .main-content .chat-input .actions label {
        margin-bottom: 0; }
      .main-content .chat-input .actions #emojibtn {
        margin: 0 10px; }
    .main-content .chat-input .emoticon-container {
      width: 166px;
      background: white;
      height: 190px;
      border: 1px solid #ccc;
      position: absolute;
      right: 54px;
      bottom: 32px;
      padding: 5px 7px;
      line-height: 20px; }
    .main-content .chat-input .emoticon-container a {
      float: left;
      height: 24px;
      margin-left: 4px; }

.chat-message {
  margin: 10px;
  min-width: 230px; }
  .chat-message .message-content {
    background: #f5f5f5;
    padding: 3px 8px;
    border: 1px solid #eee;
    border-radius: 2px;
    color: #777;
    min-width: 250px;
    max-width: 800px; }
    .chat-message .message-content img.post-image {
      max-width: 100%;
      max-height: 100%; }
    .chat-message .message-content span {
      color: #777; }
    .chat-message .message-content .author {
      color: #1a6baa;
      font-size: 12px;
      font-weight: bold; }
    .chat-message .message-content .content {
      display: block;
      padding: 2px 0; }
    .chat-message .message-content .timestamp {
      font-size: 12px;
      color: #999;
      float: right;
      line-height: 21px;
      margin: 0 5px; }
  .chat-message .message-avatar {
    width: 40px;
    height: 40px;
    float: left;
    margin-right: 10px;
    border-radius: 21px; }

.ismine {
  flex-direction: row-reverse; }
    .ismine .message-content {
        background: #68c6e3;
    } /*#8abde6; }*/
    .ismine .message-content .author,
    .ismine .message-content .timestamp,
    .ismine .message-content .timestamp span,
    .ismine .message-content .content {
      color: white; }
    .ismine .message-content div {
      flex-direction: row-reverse; }
  .ismine .message-avatar {
    margin-right: 0;
    margin-left: 10px; }

.users-container {
  display: flex;
  flex-direction: column; }
  .users-container .header {
    height: 40px;
    display: flex;
    align-items: center;
    padding: 10px;
    border-bottom: 1px solid #eee; }
    .users-container .header h5 {
      margin: 0;
      font-weight: 400;
      text-transform: uppercase;
      color: #555;
      font-size: 16px; }
  .users-container #users-list .user {
    padding: 10px;
    display: flex;
    align-items: center; }
    .users-container #users-list .user img {
      width: 32px;
      height: 32px;
      margin-right: 5px; }
    .users-container #users-list .user .right-side {
      width: 100%;
      line-height: 16px;
      overflow: hidden; }
      .users-container #users-list .user .right-side span {
        display: block;
        font-size: 14px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis; }
    .users-container #users-list .user:hover {
      background: #f2f2f2;
      cursor: pointer; }
  .users-container input {
    width: 100%;
    border: none;
    height: 50px;
    border-radius: 0;
    border-top: 1px solid #eee;
    background: #f2f2f2;
    margin-top: auto;
    text-indent: 10px; }

body {
  background: #eee; }

.app {
  display: flex;
  height: 100vh;
  justify-content: space-between;
  background: white;
  border: 1px solid #ccc; }
  .app .sidebar {
    width: 200px; }
  .app .main-content {
    flex-grow: 1; }
  .app .users-container {
    width: 230px; }

input[type="radio"] {
  display: none; }

input[type="radio"] + img {
  border-radius: 50%;
  border: 2px solid transparent;
  padding: 1px;
  cursor: pointer; }

input[type="radio"]:checked + img {
  border-radius: 50%;
  border: 2px solid #5dca38;
  padding: 1px; }

.login-container,
.register-container {
  width: 350px;
  background: white;
  padding: 20px;
  border: 1px solid #ccc;
  border-radius: 2px;
  background: white;
  margin: auto; }
  .login-container h4,
  .register-container h4 {
    font-weight: 400; }

.register-container {
  width: 450px; }

.btn-sign-in,
.btn-sign-up {
  width: 100%;
  background: #5d8a9e;
  color: white;
  font-weight: 500; }

.login-container .profile-avatar {
  width: 96px;
  height: 96px;
  display: block;
  border-radius: 50%;
  margin: 20px auto; }

.alert-dismissible {
  position: fixed;
  width: 500px;
  right: 25px;
  top: 25px; 
}
/*overlay start*/
.container {
    /*width: 200px;
    height: 200px;*/
    position: relative;
    margin: 0;
}

.box {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    /*opacity: 0.8;*/ /* for demo purpose  */
}

.stack-top {
    width: 40px;
    height: 100px;
    z-index: 9;
    /*margin: 20px;*/ /* for demo purpose  */
}
/*overlay end*/