a:link{color:blue;text-decoration:none;}
a:active{text-decoration:none;}
a:visited{color:blue;text-decoration:none;}
<!--
a {background-color:none}
a:hover{color:white;background-color:lightskyblue}
H1 {margin-bottom:-12pt; font-size: 15pt; color: green }
H2 { margin-bottom:0pt;font-size: 15pt; color: blue }