a {
	text-decoration: none !important;
}

.nav-item {
  border-bottom: 4px solid transparent;
}

.nav-item .active {
  border-bottom: 4px solid #0d6efd;
}

.img-logo {
	background-color: #ffffff;
	padding: 10px;
	margin-top: -40px;
	border-radius: 5px;
	width: 85px;
	height: 85px;
}

.img-logo-tweet {
	background-color: #ffffff;
	padding: 5px;
	border-radius: 5px;
	width: 45px;
	height: 45px;
}

.img-logo-side {
	background-color: #ffffff;
	padding: 5px;
	margin-top: -40px;
	border-radius: 5px;
	width: 50px;
	height: 50px;
}

.content-mask {
	background-image: url(../images/mask.jpg);
	background-repeat: no-repeat;
	background-size: cover;
}