body > .mainArea {
    flex-direction: row;
    display: flex;
}

#blockedEventSummary {
    flex: 1 1 auto;
    overflow: hidden;
}

.treeGridContainer {
    width: 100%;
    height: 100%;
}

#stackViews {
    flex: 0 0 auto;
    display: flex;
    flex-direction: column;
}

#blockingStack {
    flex: 1;
}

#releasingStack {
    flex: 1;
}