It is not a elementor neta but sweat sweat
I will introduce it because I think it is a function often used.
Scroll down the page and go down to the top button that appears in the bottom right.
The plug-in “Smooth Scroll Up” that can easily put this feature.
When you install the plug-in
Select it as the settings > Smooth Scroll Up menu will be added!
If you use the Fontawesome Web font for the type, you can change the color in the CSS.
If you put the following into Custom CSS Code, the icon will be green.
Because it is not very beautiful when the icon is put on the character, it is better to make the Type Image if you want to display it neatly even if the button comes on any character.
It is difficult to explain, but it looks like the following figure.In the case of Web fonts ↑ part is missing.W was a fine story