Click on the envelope (the second layer from the top in your Layer Manager) to select it.
Rc: Shadow, color: black with these settings:

Deselect. Change to your Line and Arrow Too

: 2D, color: foreground color, line width: 3

Under the Options tab of your Tool Settings Path panel please make sure that Anti-aliasing has a checkmark.
Press your Shift + Alt key and draw a line over the full width of your image and position the line like so.
Make sure that the shadow of the layer below it still shows.

Keep selected. Rc: Arrange - Send Backward. Your Layer Manager should look like this:

Deselect. Open a new white image of 250 x 30 pixels. In the Menu bar click on Edit: Fill - Gradient tab with these settings
using your foreground- and background color:

Rc: Copy. Close the small image and go back to your main image and Rc: Paste and using the Arrow Keys on your keyboard
put the object in place like this:

Rc: Duplicate. Rc: Align - Right and using the Transform tool, flip this piece Horizontally

Select the 2 pieces of the ribbon and Merge as a Single Object. Using the Paintbrush with the same settings as before:

Click Shift+P to Paint on the Edges.Keep selected.
Change to the Transform Tool : Resize. Change the width of the obect to 510 pizels :

Rc: Align - Center Vertically. Rc. Duplicate. Rotate this object 6 degrees to the right:

In your Layer Manager select the first ribbon

and rotate this piece 6 degrees to the left. Select both pieces of the ribbon and Merge as a Single Object. Rc: Arrange and
send this piece backward so that the red outer frame is on top in your Layer manager. Deselect. At his stage my image looks like this:

And my Layer Manager looks like this.

Select the layers with the ribbons, the horizontal red line and the front of the envelope:

and merge as a Single Object. Keep Selected. In the Menu bar go to Web: Button Designer - Any Shape -Default settings, but
decrease the Bevel size to 6:

Open the wd-val-cat.ufo that you downloaded and drag the cat ;-) to your work image and put in place like this.
Rc: Arrange - Send Backward twice and deselect..

Open the wd-val-heart that you downloaded and drag it to your workimage and put in place in the middle of your
ribbons. Rc: Align - Center Horizontally and deselect

Change to your Text tool and with the Vivaldi font that you downloaded and these settings, add your text and place it:

Your image should look similar to this:

Rc: Merge All. Add your name or watermark, optimize and save your image to your desktop folder.
That is all, I hope you have enjoyed this tutorial as much as I liked writing it for you.