body { background: #484848; color: black; margin-right: 0cm; margin-left: 0cm; }
h1 { color: magenta;  margin-top: 0em; font-size: 1cm;}
em { color: gold; }
a:link { color: black; }
a:visited { color: black; }
a:hover { color: yellow; }
a { text-decoration: none; }
span.display a:hover { color: maroon; }
.d1{font-size: 16px;}
.d2{font-size: 20px;}
.d3{font-size: 24px;}
.c1{color: yellow;}
.c2{color: black;}
<!-.display{font-size: 10px;}-->