how to create a blog article search field

how to make
First go to the menu in your dashboard and click on menu layout, and then click Add a Gadget
then select the HTML / Javascript, then copy the script below


  The source code is action="/search" style="display:inline;" method="get">
<input id="s" name="q" type="search" placeholder="Cari Disini"/> article
</ form>
<style>
# s {
     margin: 0 auto;