.panel-bar{
    background : @panel-background;
    border-right : 1px solid @panel-border-color;
    box-shadow : 0 1px 0 @panel-shadow-color inset;
}

.right .panel-bar{
    border-right : 0;
    border-left : 1px solid @panel-border-color;
    box-shadow : 0 1px 0 @panel-shadow-color inset;
}

.right .panel-bar:after {
    content: "";
    display: block;
    position: absolute;
    left: 0;
    width: 1px;
    bottom: 0;
    top: 0;
    background: @border-highlight;
    z-index: 1000;
}