body {margin-left:10; margin-top:10; padding:0;}
A:link {color: blue; text-decoration: none}        /* specificity = 1,1 */
A:visited {color: purple; text-decoration: none}   /* specificity = 1,1 */
A:hover {color: magenta; text-decoration: underline}    /* specificity = 1,1 */
A:active {color: red;}       /* specificity = 1,1 */