.d_code, .c_code, .cpp_code{
   padding: 0.5em;
   margin: 0.25em;
   font-size: 0.9em;
}

.d_code{ background: #DEDEDE url("/upload/duser/d_code.gif") no-repeat right top; }

.c_code{ background: #DEDEDE url("/upload/duser/c_code.gif") no-repeat right top; }

.cpp_code{ background: #DFD4CD  url("/upload/duser/cpp_code.gif") no-repeat right top;}

.keyword{
   color: blue;
   font-weight: bold;
}

.comment{
   color: green;
}