body
{margin-left: 10px;
 margin-right: 10px;
 font-size: 0.8em;
 font-family: verdana;
/* background-color: lightgrey; */
}

h3
{
 color: darkblue; 
 /* background-color: lightgrey */
} 

h4
{
 color:darkblue;
}

.code 
{
  background-color:lightgrey;
  color:darkblue; 
  padding:10px;
  border-radius: 10px;
{