*{
	margin: 0;
	padding: 0;
}
header{
    background-color: black;

}
header a{
    margin-top: 10px;
    margin-bottom: 10px;
    margin-left: 20px;
    margin-right: 20px;
    color: white;
	font-family: Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
	font-size: large;
}