Hi Michele
Yes it can be done, you can make those alterations and change the alignment but it will have to be done using css.
Have you seen the overview on css inside the framework and the video? If not you can view them here -
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In firebug or chrome developer tools you'll need to inspect the element to find out the name of the item you're intending to edit. For example nav classic will be #nav, that will showup in the html code at the bottom of the inspector screen, scroll through the html to find the class/selector which highlights the exact area you're looking to edit, by clicking on that div name for that section you'll see the associated css on the right, which you can edit in firebug and then copy/paste back into pagelines>site options>custom code
An example of editing the menu is included below
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