Don't cache search input in user's browser.

index.html

@@ -34,7 +34,7 @@
       <h1 id="header-time">00:00</h1>
       <h2 id="header-date">Retrieving Datetime</h2>
       <form method="GET" action="http://www.google.com/search">
-        <input name="as_q" class="search-field" placeholder="Type here to search on Google" autofocus>
+        <input name="as_q" class="search-field" autocomplete="off" placeholder="Type here to search on Google" autofocus>
         <button type="submit" class="search-submit" value="" style="fill: white"></button>
       </form>
       <div class="randompic"> </div>