messagingStyle.css

body {
    margin-top: 20px;
    background: #eee;
}

.avatar {
    position: relative;
    display: inline-block;
    width: 40px;
    white-space: nowrap;
    border-radius: 1000px;
    vertical-align: bottom
}

.avatar i {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 10px;
    height: 10px;
    border: 2px solid #fff;
    border-radius: 100%
}

.avatar img {
    width: 100%;
    max-width: 100%;
    height: auto;
    border: 0 none;
    border-radius: 1000px
}

.avatar-online i {
    background-color: #4caf50
}

.avatar-off i {
    background-color: #616161
}

.avatar-busy i {
    background-color: #ff9800
}

.avatar-away i {
    background-color: #f44336
}

.avatar-100 {
    width: 100px
}

.avatar-100 i {
    height: 20px;
    width: 20px
}

.avatar-lg {
    width: 50px
}

.avatar-lg i {
    height: 12px;
    width: 12px
}

.avatar-sm {
    width: 30px
}

.avatar-sm i {
    height: 8px;
    width: 8px
}

.avatar-xs {
    width: 20px
}

.avatar-xs i {
    height: 7px;
    width: 7px
}

.list-group-item {
    position: relative;
    display: block;
    padding: 10px 15px;
    margin-bottom: -1px;
    background-color: #fff;
    border: 1px solid transparent;
}