<form class="" action="search" method="get">
  <input type="text" name="gem" value="" placeholder="i.e. mandrill_mailer">
  <input type="button" name="Search" value="Check">
</form>

<form class="" action="search" method="get">
  <input type="text" name="gem" value="" placeholder="i.e. mandrill_mailer">
  <input type="submit" name="Search" value="Check">
</form>

Make sure to submit form when clicking on the button
Make sure to submit form when clicking on the button
