...
You can find your Mopinion JavaScript tag under Data collection / Forms / Deployments.
Step 4: Place code in CSS
Depending on the elements you are including in your form you may also have to include a CSS snippet in the header. Ensure that you put a <head>tag before the CSS snippet and a </head> tag afterwards. If you do not include the CSS snippet when required you will run into some graphical errors.
...
Form appearance
There are three ways the form can appear on a (mobile) website. The form can be shown in a grey, transparent overlay (in a modal) or as a slide-in or the form can be displayed as part of the content and layout of the web page (which is called an embedded form). Additional implementation operations are not required when the form will be shown in a modal.
...