simulation-view.css

.simulation-view-wrapper {
  display: grid;
  grid-template-rows: 100px auto;
  grid-template-columns: 100px auto;
  grid-template-areas: 
      "simulation-view-header simulation-view-header"
      "simulation-view-sidebar simulation-view-mainview";
}

.simulation-view-header {
  grid-area: simulation-view-header;
  background-color: yellow;
  min-height: 100px;
}

.simulation-view-sidebar {
  grid-area: simulation-view-sidebar;
  background-color: green;
  height: 100vh;
}

.simulation-view-mainview {
  grid-area: simulation-view-mainview;
  background-color: red;
}

.simulation-view-flexlayout {
  position: relative;
  height: 100%;
}