<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous"/>
<div class="container-fluid img-responsive">
  
    
  <div class="topnav">
    <div class="row">
      <div class="col-xs-1">
  <a class="active" href="#home">Home</a>
      </div>
      <div class="cols-xs-1">
  <a href="#news">News</a>
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  <a href="#contact">Contact</a>
      </div>
      <div class="col-xs-1">
  <a href="#about">About</a>
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</div>
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  <div class="md-form mt-0 row" >

    <div class="input-group">
	<input type="text" class="form-control mx-auto" placeholder="Search for your favorite fan art">
      <span class="input-group-btn">
        <button class="btn btn-search" type="button"><i class="fa fa-search fa-fw"></i> Search</button>
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     <div class="col-xs-3">
  <img src="https://sun9-9.userapi.com/c841124/v841124392/82435/urJ4f0pLr3k.jpg" class="rounded mx-auto d-block" alt="..." style="width:300px;height:300px;">
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      <div class="col-xs-3">
  <img src="https://sun9-32.userapi.com/c824201/v824201420/18cd3f/BZX-Y4O5v7k.jpg" class="rounded mx-auto d-block" alt="..." style="width:300px;height:300px;">
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        <div class="col-xs-3">
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    <img src="https://i.pinimg.com/236x/ef/e9/57/efe957148ad4eb28c0e6449ecf65e958.jpg" class="rounded mx-auto d-block" alt="..." style="width:300px;height:300px;">
      
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</div>
.topnav {
  background-color: #333;
  overflow: hidden;
}

/* Style the links inside the navigation bar */
.topnav a {
  float:left;
  color: #f2f2f2;
  padding: 14px 16px;
  font-size: 1.25em;
}

/* Change the color of links on hover */
.topnav a:hover {
  background-color: #ddd;
  color: black;
}

/* Add a color to the active/current link */
.topnav a.active {
  background-color: #4CAF50;
  color: white;
}
#search{
  float:center;
  padding:15px 10px;
  text-align:Center;
}
.btn-search {
	  background: #424242;
	  border-radius: 0;
	  color: #fff;
	  border-width: 1px;
	  border-style: solid;
	  border-color: #1c1c1c;
	}
	.btn-search:link, .btn-search:visited {
	  color: #fff;
	}
	.btn-search:active, .btn-search:hover {
	  background: #1c1c1c;
	  color: #fff;
	}
.D{
max-height: 100px;
max-width: 100px;
width: 100px;
height: 100px;
}

External CSS

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External JavaScript

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