how to make the entire form (input and submit button) change border color on focus (bootstrap 3)

by creativevilla

HTML

<form class="form-inline" role="form">
    <div class="input-group">
        <input class="form-control" type="text">
<span class="input-group-btn">
<button class="btn btn-default" type="button">Search</button>
</span>

    </div>
</form>

CSS

.form-control:focus {
    border-color:#1ABC9C;
    box-shadow:none;
}
.btn-green {
    border: 1px solid #1ABC9C;
}
.btn-default {
    border: 1px solid #000;
}
}

JavaScript

$('.form-control').focus(function () {
        $('.btn').addClass('btn-green').removeClass('btn-default');
    });
    $('.form-control').blur(function () {
        $('.btn').addClass('btn-default').removeClass('btn-green');
    });