p.simple_border {
        border-style: solid;
        border-width: thin;        /* sets border width on all sides */
        border-color: black;
        margin: 2px 0px 2px 0px;
        padding: 2px 0px 2px 2px;

 }

 b.black_box {
       
        color: white;                /* text color is black */ 
        background: black;            /* Content, padding will be gray */
        padding: 2px 0px 2px 2px;
 }