<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js"></script> <script src="//code.jquery.com/jquery-1.11.1.min.js"></script> <!------ Include the above in your HEAD tag ----------> <link href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet" integrity="sha384-wvfXpqpZZVQGK6TAh5PVlGOfQNHSoD2xbE+QkPxCAFlNEevoEH3Sl0sibVcOQVnN" crossorigin="anonymous"> <div class="container"> <div class="row"> <form class="form" > <div class="input-group"> <input class="form-control" type="text" placeholder="Search" aria-label="Search" style="padding-left: 20px; border-radius: 40px;" id="mysearch"> <div class="input-group-addon" style="margin-left: -50px; z-index: 3; border-radius: 40px; background-color: transparent; border:none;"> <button class="btn btn-warning btn-sm" type="submit" style="border-radius: 20px;" id="search-btn"><i class="fa fa-search"></i></button> </div> </div> </form> </div> </div>

#mysearch:focus + .input-group-addon { z-index: 10; } #search-btn:hover { cursor: pointer; /*color: gold;*/ background-color: #ffc107; }