a:link{
color:blue;
text-decoration:underline;
display:inline;
}
a:visited{
color:purple;
text-decoration:underline;
display:inline;
}
a:hover{
text-decoration:none;
background-color:gray;
color:white;
display:inline;
}
a:active{
color:red;
text-decoration:underline;
display:inline;
}