Beginner Question on Formatting

Could you provide a link to your form by chance? I can provide you with some selectors to use to get what you are looking to do.

You will want to add these styles to your theme's stylesheet. Also you can use this guide as a reference, and/or chrome dev tools or firebug for firefox.

http://www.gravityhelp.com/documentation/page/Design_and_Layout

You can use this to change the label styles:

[css]
.gform_wrapper .gfield_label {
color: blue;
}

The section break headlines are h2 elements. Currently you have a declaration in your theme's stylesheet for h2 styling, which the form is inheriting (as it should):

[css]
#content h2 {
font-size: 20px;
padding: 0 0 5px 0;
border-bottom: 1px dotted #BBB;
}

If you want to target only the headlines on the form you could use:

[css]
.gform_wrapper h2.gsection_title {
color: blue !important;
}

The !important here is used to override the color styling of this:

[css]
#content h1, #content h2, #content h3, #content h4, #content h5, #content h6 {
color: #444;
font-family: Arial, Tahoma, Verdana;
font-weight: bold;
text-decoration: none;
margin: 0 0 5px 0;
}

It looks like you have some break tags coming in on some of your fields too:

http://grab.by/cgVk

You could do this to try to add spacing between the fields:

[css]
.gform_wrapper li, .gform_wrapper form li {
margin: 10px 0 0 20px !important;
}

Let me know how this goes for you.