viewport,
GtkViewport {
	background: none;
}

notebook tab,
.notebook {
	background: #3675AD;
	font-weight: bold;
}

notebook header,
notebook stack,
.notebook > .frame,
.notebook > .vertical {
	background: #B7D6EA;
	font-weight: bold;
}

notebook tab label,
.notebook > .horizontal .label {
	color: #B7D6EA;
}

notebook tab:checked label,
.notebook > .horizontal.active-page .label {
	color: #FFFFFF;
}

notebook stack label,
.notebook > .vertical .label,
.button .label {
	color: #3675AD;
}