search.html

<style>
.modalDialog {
	position: fixed;
	font-family: Arial, Helvetica, sans-serif;
	top: 0;
	right: 0;
	bottom: 0;
	left: 0;
        margin-left:200px !important;
        margin-right:200px !important;
	z-index: 99999;
        margin-top:100px !important;
	opacity:1;
	-webkit-transition: opacity 400ms ease-in;
	-moz-transition: opacity 400ms ease-in;
	transition: opacity 400ms ease-in;
	pointer-events: auto;
}

.modalDialog:target {
	opacity:1;
	pointer-events: auto;
}

.modalDialog > div {
	width: 400px;
	position: relative;
	margin: 10% auto;
	padding: 5px 20px 13px 20px;
	border-radius: 10px;
}

.close {
	background: #666;
	color: #FFFFFF;
	line-height: 25px;
	position: absolute;
	left: -15px;
	text-align: center;
	top: -10px;
	width: 24px;
	text-decoration: none;
	font-weight: bold;
	-webkit-border-radius: 12px;
	-moz-border-radius: 12px;
	border-radius: 12px;
	-moz-box-shadow: 1px 1px 3px #000;
	-webkit-box-shadow: 1px 1px 3px #000;
	box-shadow: 1px 1px 3px #000;
}

.close:hover { background: darkturquoise; }
</style>

<div id="openModal" class="modalDialog" style="display:none" id="search-modal; margin:auto;">
<a href="#" id="closeModal" title="Close" class="close">x</a>
          <form class="navbar-form navbar-right" role="search" action="/dosearch">
          <span class="tipue_search_left"></span>
          <span class="tipue_search_right">
            <input type="text" 
                   name="q" 
                   id="tipue_search_input" 
                   pattern=".{3,}" 
                   class="form-control" 
                   placeholder="Search" 
                   title="At least 3 characters" required>
            </span>
          </form>
</div>


  <script>

  // Show search when click button
  function searchToggle(){
      $("#fade").show();
      $("#openModal").show();
  };

  $("#closeModal").click(function(){
     $("#fade").hide();
     $("#openModal").hide();
  })
  </script>