body {
    background: #f0f0f0;
    color: black;
}

a:visited { color: #a000ff; background: inherit; }

@media screen {
	a[href]:hover {
		background: white;
	}

	a.noshow:hover {
		color: inherit;
		background-color: transparent;
	}

	a.nohover:hover {
		color: inherit;
		background-color: transparent;
	}
}