body {
    background-image: url("../img/big-data-blank.png");
    background-color: #20273E;
}

.message_userpic img {
	height: auto;
    width: 50px;
    border: 0;
    vertical-align: top;
	min-height: 0px;
}

.btn-link:focus, .btn-link:hover {
    color: #ffffff;
}

header .navbar {
	background: rgba(37,45,71,0.9);
}

.footer-content {
	background: rgba(14,17,27,0.9);
	position: fixed;
}