You actually do not have to alter the Look & Feel or use header CSS in Qualtrics to change the size for a single image.
Instead do the following steps:
1. Open up the question that you want and click on the HTML view tab.
2. Above the text, enter the following code:
<strong>Please click on the areas of this screen that you like the best. </strong>
<style type="text/css">.Skin .SkinInner {
max-width: 100%;
margin: auto
}
</style>
That's it! Setting the max-width to 100% just allows for it to be responsive to any screen size.
Happy testing!
Best answer by manresaclara
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