menu and homepage not displaying

After installing Hummingbird my menu only displays when you hover over it and many images are missing from the homepage.

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<section id="nav_menu-2" class="widget widget_nav_menu"><div class="widget-wrap"><nav class="nav-header" itemscope itemtype="https://schema.org/SiteNavigationElement"><ul id="menu-main-menu" class="menu genesis-nav-menu"><li id="menu-item-25" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-home current-menu-item page_item page-item-5 current_page_item menu-item-has-children menu-item-25"><span itemprop="name">Armstrong Forensic Laboratory</span>
<ul class="sub-menu">
<li id="menu-item-3502" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3502"><span itemprop="name">AFLAB</span>

<li id="menu-item-398" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-398"><span itemprop="name">Services</span>
<ul class="sub-menu">
<li id="menu-item-53" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-53"><span itemprop="name">Fire Debris Analysis</span>
<li id="menu-item-61" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-61"><span itemprop="name">Vehicle Fluid Analysis</span>
<li id="menu-item-60" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-60"><span itemprop="name">Vehicle Paint Analysis</span>
<li id="menu-item-59" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-59"><span itemprop="name">Toy Testing</span>
<li id="menu-item-58" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-58"><span itemprop="name">Indoor Air Quality</span>
<li id="menu-item-57" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-57"><span itemprop="name">Stormwater Analysis</span>
<li id="menu-item-56" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-56"><span itemprop="name">Mold Assessments</span>
<li id="menu-item-55" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-55"><span itemprop="name">Environmental Analysis</span>
<li id="menu-item-54" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-54"><span itemprop="name">Litigation Support</span>

<li id="menu-item-248" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-248"><span itemprop="name">About Us</span>
<ul class="sub-menu">
<li id="menu-item-253" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-253"><span itemprop="name">History</span>
<li id="menu-item-74" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-74"><span itemprop="name">Qualifications</span>
<li id="menu-item-290" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-290"><span itemprop="name">Testimonials</span>
<li id="menu-item-73" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-73"><span itemprop="name">Why Us?</span>

<li id="menu-item-72" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-72"><span itemprop="name">News</span>
<li id="menu-item-71" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-71"><span itemprop="name">Contact Us</span>
<ul class="sub-menu">
<li id="menu-item-2087" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-2087"><span itemprop="name">Continuing Education</span>
<li id="menu-item-945" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-945"><span itemprop="name">Request a convenient Armstrong Forensic Evidence collection kit</span>
<li id="menu-item-2136" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-2136"><span itemprop="name">Get your Free Quote!</span>
<li id="menu-item-2088" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-2088"><span itemprop="name">Ask an Expert!</span>

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