Changing the look of the form in css.

Hi,

I am using a html/css form that I have downloaded from here (http://demo.tutorialzine.com/2015/07/7-clean-and-responsive-forms/).
I would simply like to add an image to display on the right of the form but I am having real trouble with the CSS.

Here what I have:



And here is what I would really like it to be:

please help! :)
7-clean-and-responsive-forms.zip