NewTabPage/main.css

body {
	width: 100%;
	height: 100%;
	background: white no-repeat center center fixed;
	background-size: cover;

	tab-size: 4;
	-moz-tab-size: 4;
}

.card-header {
	background-color: #FEA63C;
	color: white;
	font-size: 16px;
	font-weight: 600;
	height: 32px;
	padding-top: 4px;
}

.list-group-item {
	height: 32px;
	padding-top: 4px;
}

.card {
	border: 0px;
	box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
}

.navbar {
	background: transparent !important;
}

/* set the width of the main container based on element width */
@media (max-width: 34em) {
	#wrapper {
		width: 90%;
	}
}

@media (min-width: 34em) {
	#wrapper {
		width: 60%;
	}
}

/* change the number of columns in card-columns */
@media (min-width: 34em) {
	.card-columns {
		-webkit-column-count: 1;
		-moz-column-count: 1;
		column-count: 1;
	}
}

@media (min-width: 48em) {
	.card-columns {
		-webkit-column-count: 1;
		-moz-column-count: 1;
		column-count: 1;
	}
}

@media (min-width: 62em) {
	.card-columns {
		-webkit-column-count: 2;
		-moz-column-count: 2;
		column-count: 2;
	}
}

@media (min-width: 75em) {
	.card-columns {
		-webkit-column-count: 2;
		-moz-column-count: 2;
		column-count: 2;
	}
}