How can I adjust CSS to align two text blocks on one line?

[brittta]

Hey! So I am using an app called Posterly Product Customizer and have two text blocks that are on different lines. I would like to change the CSS so they would be on one line next to each other. I will add two photos of how it is now and how it should be. Any help is much appreciated!

Thats how it is now

And thats how it should be (the "weight" label can stay on top of them and doesn't need to be on the same row)