.main-container {
    -ms-grid-columns: 1fr;
    -ms-grid-rows: auto auto auto auto;
    display: -ms-grid;
    height: 100vh;
    width: 100vw;
}

    .main-container .main-toolbar-container {
        -ms-grid-row: 1;
        -ms-grid-column: 1;
    }

    .main-container .main-ruler-container {
        -ms-grid-row: 2;
        -ms-grid-column: 1;
    }

    .main-container .main-swimlane-container {
        -ms-grid-row: 3;
        -ms-grid-column: 1;
        display: -ms-grid;
        -ms-grid-columns: 1fr;
    }

        .main-container .main-swimlane-container .swimlane-container {
            -ms-grid-column: 1;
        }

    .main-container .main-scrollbar {
        -ms-grid-row: 4;
        -ms-grid-column: 1;
    }