Move inline CSS to themes.

navigation.php

@@ -316,15 +316,13 @@ if ($GLOBALS['cfg']['LeftFrameLight'] && strlen($GLOBALS['db'])) {
     echo '</a></p>';
     if ($table_count) {
         ?>
-        <span id="NavFilter" style="display:none;">
+        <span id="NavFilter">
         <input type="text" name="fast_filter" id="fast_filter"
             title="<?php echo $strNavTableFilter; ?>"
             onkeyup="setTimeout(function(word){ return function(){ fast_filter(word);}}(this.value),1000);"
-            style="width:90%;padding:0 -20px 0 0; padding:2px;"
             onfocus="this.select();" />
-        <span
+        <span id="clear_fast_filter"
             onclick="clear_fast_filter();"
-            style="background:white;color:black;cursor:pointer;padding:0;margin:0;position:relative;right:3ex;"
             title="<?php echo $strReset; ?>">X</span>
         </span>
         <?php