<link href="//netdna.bootstrapcdn.com/bootstrap/3.1.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//netdna.bootstrapcdn.com/bootstrap/3.1.0/js/bootstrap.min.js"></script> <script src="//code.jquery.com/jquery-1.11.1.min.js"></script> <!------ Include the above in your HEAD tag ----------> <div class="container"> <div class="row" style="margin-top: 5%"> <div class="col-md-5"> <div class="input-group"> <span class="input-group-btn"> <button class="btn btn-default" type="button" data-toggle="modal" data-target="#myModal"><span class="glyphicon glyphicon-picture" aria-hidden="true"></span></button> </span> <input type="text" class="form-control" placeholder="question..."> </div><!-- /input-group --> </div> </div> </div> <div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel"> <div class="modal-dialog" role="document"> <div class="modal-content"> <div class="modal-header"> <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">×</span></button> <h4 class="modal-title" id="exampleModalLabel">Add a photo</h4> </div> <div class="modal-body"> <form> <div class="form-group"> <label for="recipient-name" class="control-label">Url of the image:</label> <input type="text" class="form-control" id="recipient-name" placeholder="http://"> </div> </form> </div> <div class="modal-footer"> <button type="button" class="btn btn-default" data-dismiss="modal">Close</button> <button type="button" class="btn btn-primary">OK</button> </div> </div> </div> </div>

.center-block { float: none; margin-left: auto; margin-right: auto; } .input-group .icon-addon .form-control { border-radius: 0; } .icon-addon { position: relative; color: #555; display: block; } .icon-addon:after, .icon-addon:before { display: table; content: " "; } .icon-addon:after { clear: both; } .icon-addon.addon-md .glyphicon, .icon-addon .glyphicon, .icon-addon.addon-md .fa, .icon-addon .fa { position: absolute; z-index: 2; left: 10px; font-size: 14px; width: 20px; margin-left: -2.5px; text-align: center; padding: 10px 0; top: 1px } .icon-addon.addon-lg .form-control { line-height: 1.33; height: 46px; font-size: 18px; padding: 10px 16px 10px 40px; } .icon-addon.addon-sm .form-control { height: 30px; padding: 5px 10px 5px 28px; font-size: 12px; line-height: 1.5; } .icon-addon.addon-lg .fa, .icon-addon.addon-lg .glyphicon { font-size: 18px; margin-left: 0; left: 11px; top: 4px; } .icon-addon.addon-md .form-control, .icon-addon .form-control { padding-left: 30px; float: left; font-weight: normal; } .icon-addon.addon-sm .fa, .icon-addon.addon-sm .glyphicon { margin-left: 0; font-size: 12px; left: 5px; top: -1px } .icon-addon .form-control:focus + .glyphicon, .icon-addon:hover .glyphicon, .icon-addon .form-control:focus + .fa, .icon-addon:hover .fa { color: #2580db; }