2 themes -based on one theme, font weight different only on MAC / SAFARI

There are so many classes attached to each LI tag, not wonder it is confusing.   You can see below that your menu is not the same on each page.  

REGULAR CSS and CODE

media="all"
#access a {
color: #fff;
display: block;
line-height: 1.5em;
padding: 0 1.2em;
text-decoration: none;
padding-top: 2px;
padding-bottom: 2px;
}
<li id="menu-item-264" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-264"><a href="http://vinnac.com/easton-foundation/archery-centers/">Archery Centers</a></li>

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BOLD CSS and CODE

media="all"
#access .current-menu-item > a, #access .current-menu-ancestor > a, #access .current_page_item > a, #access .current_page_ancestor > a {
font-weight: bold;
color: #ffed00;
}

<li id="menu-item-31" class="menu-item menu-item-type-post_type menu-item-object-page current-menu-item page_item page-item-7 current_page_item menu-item-31"><a href="http://vinnac.com/easton-foundation/apply-for-grant/">Grants</a></li>

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Thanks for replying Scott. In your example there are styles for different purposes. The default top menu css is identical in both stylesheets:

#access a {
color: #fff;
display: block;
line-height: 1.5em;
padding: 0 1.2em;
text-decoration: none;
padding-top: 2px;
padding-bottom: 2px;
}

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as is the current menu css (on both stylesheets):

#access .current-menu-item > a,
#access .current-menu-ancestor > a,
#access .current_page_item > a,
#access .current_page_ancestor > a {
	font-weight: bold;
	color:#ffed00;
}

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hmm -still doesn't seem to do anything