<div>
    <div layout="row" style="margin-right:15px; padding-top: 10px">

        <div flex="{{$ctrl.workspaceSize}}" style="min-height:75vh">
            <mc-workflow-toolbar></mc-workflow-toolbar>
            <mc-processes-workflow-graph ng-show="$ctrl.showGraphView"
                                         processes="$ctrl.processes"
                                         highlight-processes="$ctrl.highlightProcesses">
            </mc-processes-workflow-graph>
            <mc-processes-workflow-outline ng-show="!$ctrl.showGraphView"
                                           highlight-processes="$ctrl.highlightProcesses"
                                           dataset="$ctrl.dataset"
                                           processes="$ctrl.processes">
            </mc-processes-workflow-outline>
        </div>
        <span flex style="border-left: solid 2px grey; margin-left: 8px" ng-if="$ctrl.showSidebar"></span>
        <div flex="30" ng-if="$ctrl.showSidebar">
            <mc-processes-workflow-sidebar></mc-processes-workflow-sidebar>
        </div>
    </div>
</div>

<div>
    <div layout="row" style="margin-right:15px; padding-top: 10px">

        <div flex="{{$ctrl.workspaceSize}}" style="min-height:75vh">
            <mc-workflow-toolbar></mc-workflow-toolbar>
            <mc-processes-workflow-graph ng-show="$ctrl.showGraphView"
                                         processes="$ctrl.processes"
                                         highlight-processes="$ctrl.highlightProcesses">
            </mc-processes-workflow-graph>
            <mc-processes-workflow-outline ng-show="!$ctrl.showGraphView"
                                           highlight-processes="$ctrl.highlightProcesses"
                                           dataset="$ctrl.dataset"
                                           processes="$ctrl.processes">
            </mc-processes-workflow-outline>
        </div>
        <span flex style="border-left: solid 2px grey; margin-left: 8px" ng-if="$ctrl.showSidebar"></span>
        <div flex="30" ng-if="$ctrl.showSidebar" style="z-index:5">
            <mc-processes-workflow-sidebar></mc-processes-workflow-sidebar>
        </div>
    </div>
</div>

Set z-index of element so that its above the graph canvas
Set z-index of element so that its above the graph canvas
