To change the style of your CF7 forms you would need to edit the CSS style sheets used by your WordPress theme.
See Styling Contact Form for a general explanation of styling CF7 forms using CSS.
There is a link at the bottom of the page to a comprehensive and detailed article on Styling Contact Form 7 Forms. The article shows people, with suitable HTML & CSS skills, how to change the appearance of their Contact Form 7 Forms to meet their particular requirements.
To force more than one space between elements, use &bnsp;. If you want to add two spaces, tap the space bar once then type &bnsp;, which stands for non-breaking space. For four spaces, just repeat the sequence.
