body {
	background-image: url("background.png");
}

div.jumbotron {
	background: rgba(0, 0, 0, 0.01);
	text-align: center;
	border-style: inset;
	border-color: #ffffff60;
	border-width:1px;
}

.nav-tabs {
	border-bottom:1px inset #000000;
}
   
.nav-tabs .nav-item.show .nav-link, .nav-tabs .nav-link.active, .nav-tabs .nav-link.active:hover, .nav-tabs .nav-link.active:focus {
	color:#495057;
	background-color:#ffffff30;
	border-color:#00000080 #00000080 #00000000;
	border-style: inset;
}

.nav-tabs .nav-link:focus,
.nav-tabs .nav-link:hover {
	border-color:#00000040 #00000040 #00000000;
	border-style: inset;
}