.k-treelayout {
    margin: 0;
    padding: 0;
    width: 100%;
    width: -moz-available; /* WebKit-based browsers will ignore this. */
    width: -webkit-fill-available; /* Mozilla-based browsers will ignore this. */
    width: fill-available;
    height: 100%;
    height: -moz-available; /* WebKit-based browsers will ignore this. */
    height: -webkit-fill-available; /* Mozilla-based browsers will ignore this. */
    height: fill-available;
    display: inline-block;
}

.k-treelayout-toolbar {
    padding: 0;
    cursor: default;
}

    .k-treelayout-toolbar .k-tool-text {
        display: none;
    }

    .k-treelayout-toolbar .k-button-group {
        padding: 1px;
    }

        .k-treelayout-toolbar .k-button-group > .k-group-end {
            margin-right: 6px;
        }