How to know the total width of the jotform for adjustment

2. The form appears in different ways in different browsers. For instance, in Apple Safari checkIn, checkOut and guests fields appears in one row. In comparison, in Chrome on Windows, checkOut and guests fields flow down. I consider that the total width of the form is the main problem of rendering in different browsers.

So on, how can I find out the total width of my form in order to adjust the size of lightbox on my webstite and the size itself?

Hello,

You can set/check the size of your form by going to Setup & Embed and clicking on the Preferences icon on the form editor screen.

Then go to the Form Styles tab and look for the Form Width field

Please let us know if this answers your question.
Best Regards.