Edit in JSFiddle

<div class="text-center">
<button type="button" class="btn btn-primary" data-toggle="button" aria-pressed="false" autocomplete="off">Button Toggle</button>
</div>

body{margin:30px;}
.btn{box-shadow:0 0 0 !important;}
.btn-primary:not(:disabled):not(.disabled).active, .btn-primary:not(:disabled):not(.disabled):active, .show>.btn-primary.dropdown-toggle,.btn.active:focus {
    color: #fff;
    background-color: #0077a2;
    border-color: #0077a2;
    box-shadow:0 0 0 !important;
}