body,td,th {
    font-family:Helvetica, Arial,sans-serif;
    font-size: 20px;
    color: black;
}
body{
    background-color:blue;
    margin-left: 48px;
    margin-top: 48px;
    margin-right: 48px;
    margin-bottom: 48px;
    background-image: url();
}

a{
    font-family:Helvetica, Arial,sans-serif;
    font-size: 20px;
    color: black;
}

a:link {
    text-decoration: none;
}

a:visited{
    text-decoration: none;
    color: black;
}

a:hover {
    text-decoration: none;
    color:turquoise;
}

::selection {
    background:magenta /* WebKit/Blink Browsers */
  }