Minor tweaks to the app's UI

- Made the background of all tables non-transparent
- The link to the support website opens in a new tab

client/ipsosboard.html

@@ -14,7 +14,7 @@ <h2>Interactive Physics Sonification System</h2>
       </div>
       <div class="col-sm-4"></div>
       <div class="col-sm-5" style="padding-top: 15px;">
-	<a href="IPSOS_support_website/support.html" title="Learn more about IPSOS, Particle Physics, Sonification, and Synthesis"><h4>Information and Support Materials</h4></a>
+	<a href="IPSOS_support_website/support.html" title="Learn more about IPSOS, Particle Physics, Sonification, and Synthesis" target="_blank"><h4>Information and Support Materials</h4></a>
       </div>
     </div>
     {{> ipsosboard}}
@@ -76,7 +76,7 @@ <h2>Interactive Physics Sonification System</h2>
 
     <div class="col-md-7">
       <div class="table-responsive">
-        <table class="table table-sm table-bordered table-striped" id="matrix-table">
+        <table class="table table-sm table-bordered table-striped" id="matrix-table" style="background:white;">
 	         <thead class="thead-light">
              <tr class="text-center">
                <th style="position: sticky; left:0px;"></th>
@@ -114,7 +114,7 @@ <h2>Interactive Physics Sonification System</h2>
 
     <div class="col-md-5">
       <div class="table-responsive">
-	       <table class="table table-bordered table-striped table-sm" id="ranges-table">
+	       <table class="table table-bordered table-striped table-sm" id="ranges-table" style="background:white;">
 	          <tbody>
 	             <tr class="text-center">
           	      <td><span id="attack-low"></span></td>
@@ -154,7 +154,7 @@ <h2>Interactive Physics Sonification System</h2>
 	      </table>
       </div>
       <div class="table-responsive">
-	       <table class="table table-sm table-bordered" id="playback-table" style="margin-top: 1px;">
+	       <table class="table table-sm table-bordered" id="playback-table" style="margin-top: 1px; background:white;">
            <tbody>
             <tr>
 	              <td class="text-center"><button type="button" class="btn btn-warning btn-lg" id="cell1" data-type="playbutton" data-playind="0">1</button></td>