.app-gantt{ height: 100%; .gantt { height: 100%; .gantt-elastic__main-view-container { flex-grow: 1; } } .app-data-empty{ height: 100%; margin: 0 auto; display: flex; align-items: center; justify-content: center; } } <#ibizinclude> ../@MACRO/CSS/DEFAULT.less.ftl </#ibizinclude>