Menambahkan Search Box (Kotak Pencarian)

Tambahkan mark up berikut di tempat yang diinginkan.

<form action='/search' method='get' role="search">
  <div>
    <input id='q' name='q' onblur='if (this.value == "") { this.value = "Search site"; }' onfocus='if (this.value == "Search site") { this.value = ""; }' type='text' class="form-control" placeholder="Search"/>
  </div>
  <button type="submit">Submit</button>
</form>