Semantic background

bg.css

.red.background {
	background-color: #B03060;
}
.blue.background {
	background-color: #0E6EB8;
}
.orange.background {
	background-color: #FE9A76;
}
.yellow.background {
	background-color: #FFD700;
}
.green.background {
	background-color: #32CD32;
}
.olive.background {
	background-color: #016936;
}
.teal.background {
	background-color: #008080;
}
.violet.background {
	background-color: #EE82EE;
}
.purple.background {
	background-color: #B413EC;
}
.pink.background {
	background-color: #FF1493;
}
.brown.background {
	background-color: #A52A2A;
}
.grey.background {
	background-color: #A0A0A0;
}
.black.background {
	background-color: #000000;
}