<!DOCTYPE>
<html lang="en">
<head>
<title></title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">

<style>
* {
  box-sizing: border-box;
}

body {
  margin: 0;
}

.bb { width: 90%; margin:auto; }
.col-bb {  float: left;  width: 100%;  background: white; padding: 15px; margin-top: -3%;  border: 1px solid whitesmoke; border-bottom: 2px solid  #006A4E; }

.col-bb input[type='text']{ float: left; width: 85%; float: left; background: whitesmoke; border:1px solid gray;  padding: 8px; border-radius: 5px; }
.col-bb input[type='submit']{ float: right; background: #006A4E;  padding: 8px 20px; border-radius: 5px; border: none; color: white;margin-top: 1px; }
.col-bb input[type='submit']:hover{ opacity: .8; }
.col-bb input[type='text']:focus { outline: none; border: 1px solid #006A4E ; background: white; }


/* Clear floats after the col-bbs */
.row:after {
  content: "";
  display: table;
  clear: both;
}

@media screen and (max-width:600px) {
  .col-bb {  width: 100%; margin-top: -6%; }
  .bb { margin: auto; width: 95%; } 
  .col-bb input[type='text']{ width: 70%;}
  .col-bb input[type='submit']{ margin-top: 1%;}

}

</style>
</head>
<body>


<div class="row">
  <nav class="bb">
  <div class="col-bb">
  <form method='post' action="index.php?link=item-search">
    <input type="text" name="search-item" placeholder="search item by  its name eg. potatoes">
    <input type="submit" name="search" value="search"  >
  </form>
  </div>
</nav>
</div>

</body>
</html>
