.nav-btt{
	padding:1em;
	border:none;
	color:#fff;
	font-weight: bold;
}
.nav-btt:hover, .nav-btt-active{
	border: 1px solid #007bff;
	background: #fff !important;
    color: #007bff !important;    
}

@media all and (max-width:724px) {
    .nav-tabs>li>a>span {
        display: none;
    }

    .nav-tabs>li>a {
        padding: 5px 5px;
    }
}