Lint fixes, expand help, deep links

settings.html

@@ -36,9 +36,9 @@
 
     <div id="top_button" class="hide_micro">
       <a href="/">
-        <picture aria-label="Home" class="sidebar_control">
+        <picture class="sidebar_control">
           <source srcset="/images/nav/back.svg" type="image/svg+xml">
-          <img src="back-40.png" alt="Home">
+          <img aria-label="Home" src="back-40.png" alt="Home">
         </picture>
       </a>
     </div>
@@ -69,7 +69,7 @@
         <button type="submit" onclick="setQl()" class="lookup-button">Apply</button>
         <button type="reset" onclick="clearQl()" class="lookup-button">Defaults</button>
         <br><br><br>
-      <label>Register for Rail Staff Version:</label>
+      <label id="railstaff">Register for Rail Staff Version:</label>
         <p id="reg_text">Enter your work email address:</p>
         <input type="text" maxlength="128" id="eml" name="eml" autocomplete="email" class="lookup-box" placeholder="email"><br>
         <p>One registration confirmation email will be sent which will include more details about your account</p>