a:link {
    color: #000000;
    text-decoration: none;
    
}
a:visited {
    color: #000000;
    text-decoration: none;


}
a:hover {

    color: #000000;
    text-decoration: underline;
 background-color: #efefef;

}
a:active {
    color: #000000;
    text-decoration: none;
   
 
}