Unity code

   /// <summary>
    /// The enemy information UI if clicked on enemy
    /// </summary>
    public GameObject hoverGUI;

    public static void SpawnHoverGUI_Enemy(Tile tile) {

        // Enable canvas
        GamePlay.EnableCanvas(instance.hoverGUI.GetComponent<Canvas>());

        // Config
        int width = 400;
        int fontSize = 20;

        // Remove appended gameobjects
        foreach (Transform child in instance.hoverGUI.GetComponent<HoverGUI_Components>().GetHoverElement().transform) {
            if (child.name == "Appended") {
                GameObject.Destroy(child.gameObject);
            }
        }

        // START Description

        // Activate before making a copy
        instance.hoverGUI.GetComponent<HoverGUI_Components>().GetTemplateText().SetActive(true);

        // Make copy of text object and parent it
        GameObject EnemyTextObject = Instantiate(instance.hoverGUI.GetComponent<HoverGUI_Components>().GetTemplateText());
        EnemyTextObject.transform.SetParent(instance.hoverGUI.GetComponent<HoverGUI_Components>().GetHoverElement().transform);
        EnemyTextObject.name = "Appended";

        // Adjust size of hover element
        EnemyTextObject.GetComponentInChildren<TextMeshProUGUI>().GetComponent<RectTransform>().sizeDelta = new Vector2(width,
            EnemyTextObject.GetComponentInChildren<TextMeshProUGUI>().GetComponent<RectTransform>().sizeDelta.y);

        // Adjust font size
        EnemyTextObject.GetComponentInChildren<TextMeshProUGUI>().fontSize = fontSize;

        // Set description
        EnemyTextObject.GetComponentInChildren<TextMeshProUGUI>().text = tile.current_enemy.GetDescription();

        // END Description

        // START Effects

        // Activate before making a copy
        instance.hoverGUI.GetComponent<HoverGUI_Components>().GetTemplateGrid().SetActive(true);

        // Make copy of grid object and parent it
        GameObject EnemyGridObject_1 = Instantiate(instance.hoverGUI.GetComponent<HoverGUI_Components>().GetTemplateGrid());
        EnemyGridObject_1.transform.SetParent(instance.hoverGUI.GetComponent<HoverGUI_Components>().GetHoverElement().transform);
        EnemyGridObject_1.name = "Appended";

        // Append effects to grid
        for (int i = 0; i < tile.current_enemy.GetNegativeEffects().Count; i++) {
            GameObject button = (GameObject)Instantiate(GamePlay.GetEffectsButtonPrefab());
            button.transform.SetParent(EnemyGridObject_1.GetComponent<GridLayoutGroup>().transform);

            button.GetComponent<Image>().sprite = tile.current_enemy.GetNegativeEffects()[i].GetSprite();
            button.GetComponentsInChildren<TextMeshProUGUI>()[1].text = tile.current_enemy.GetNegativeEffects()[i].GetFloorDuration().ToString();
            button.GetComponentsInChildren<TextMeshProUGUI>()[0].text = tile.current_enemy.GetNegativeEffects()[i].GetRoundDuration().ToString();
        }

        // TO DO Same with positive effects

        // END Effects

        Canvas.ForceUpdateCanvases();

        // Positioning the hover GUI
        // The offset is used to postion the GUI on the right of the enemy tile.
        float offSet = (instance.hoverGUI.GetComponent<HoverGUI_Components>().GetHoverElement().GetComponent<RectTransform>().rect.width / 2 + (tile.GetComponent<RectTransform>().rect.width / 2)) + 10;
        RectTransform hoverOverRect = tile.GetComponent<RectTransform>();

        instance.hoverGUI.GetComponent<HoverGUI_Components>().GetHoverElement().GetComponent<RectTransform>().position = new Vector3(hoverOverRect.position.x + offSet, hoverOverRect.position.y,
            hoverOverRect.position.z);

        Canvas.ForceUpdateCanvases();

        // Correct positioning if out of bounds
        RectTransform hoverElementRect = instance.hoverGUI.GetComponent<HoverGUI_Components>().GetHoverElement().GetComponent<RectTransform>();

        Debug.Log(hoverElementRect.sizeDelta);

        /*float canvasBounds_y = instance.hoverGUI.GetComponent<Canvas>().GetComponent<RectTransform>().localPosition.y / 2;
        float pos_top_bound = instance.hoverGUI.GetComponent<HoverGUI_Components>().GetHoverElement().GetComponent<RectTransform>().localPosition.y +
            (instance.hoverGUI.GetComponent<HoverGUI_Components>().GetHoverElement().GetComponent<RectTransform>().rect.height / 2);
        Debug.Log(canvasBounds_y);
        Debug.Log(pos_top_bound);

        LayoutRebuilder.ForceRebuildLayoutImmediate(instance.hoverGUI.GetComponent<HoverGUI_Components>().GetHoverElement().GetComponent<RectTransform>());
        instance.hoverGUI.GetComponent<HoverGUI_Components>().GetHoverElement().GetComponent<RectTransform>().ForceUpdateRectTransforms();

        Debug.Log(instance.hoverGUI.GetComponent<HoverGUI_Components>().GetHoverElement().GetComponent<RectTransform>().localPosition.y);
        Debug.Log(instance.hoverGUI.GetComponent<HoverGUI_Components>().GetHoverElement().GetComponent<RectTransform>().sizeDelta.y);

        if (instance.hoverGUI.GetComponent<HoverGUI_Components>().GetHoverElement().GetComponent<RectTransform>().localPosition.y > canvasBounds_y) {

            Debug.Log("is bigger");
            float difference_y = instance.hoverGUI.GetComponent<HoverGUI_Components>().GetHoverElement().GetComponent<RectTransform>().localPosition.y - canvasBounds_y;
            Debug.Log(difference_y);
            instance.hoverGUI.GetComponent<HoverGUI_Components>().GetHoverElement().GetComponent<RectTransform>().position = new Vector3(hoverOverRect.position.x + offSet, hoverOverRect.position.y - difference_y - 30,
                hoverOverRect.position.z);

        } else if (instance.hoverGUI.GetComponent<HoverGUI_Components>().GetHoverElement().GetComponent<RectTransform>().localPosition.y < -canvasBounds_y) {

            Debug.Log("is smaller");
            float difference_y = instance.hoverGUI.GetComponent<HoverGUI_Components>().GetHoverElement().GetComponent<RectTransform>().localPosition.y + canvasBounds_y;
            Debug.Log(difference_y);
            instance.hoverGUI.GetComponent<HoverGUI_Components>().GetHoverElement().GetComponent<RectTransform>().position = new Vector3(hoverOverRect.position.x + offSet, hoverOverRect.position.y + difference_y + 30,
                hoverOverRect.position.z);
        }*/

        //Debug.Log(canvasBounds_y);

        // Deactivate template objects
        instance.hoverGUI.GetComponent<HoverGUI_Components>().GetTemplateText().SetActive(false);
        instance.hoverGUI.GetComponent<HoverGUI_Components>().GetTemplateGrid().SetActive(false);

    }