body,td {
   font-family: georgia; 
   font-size: 13px;
}

code {
   border: 0px solid gray;
   background-color:RGB(230,230,230);
}

a img {
   border: 1px solid darkblue;
}

.chart_description {
   background-color:lightblue;
}

.chart_image {
   border:2px solid lightblue; 
}