The following program shows the options for the borderline around the header title and column header.

dm "clear log" ;
dm "clear output" ;

proc datasets lib = work kill nolist;
quit;

proc template;
    define style styles.custom;
	parent = styles.rtf;
	replace table from output /
	frame = below
	rules = rows
	cellpadding = 3pt
	cellspacing = 0pt
	borderwidth = 1pt;
    end;
run;

/*Output all setting for the style*/
proc template;
  source styles.custom;
run;

data work.class ;
   set sashelp.class ;
run;

ods _all_ close ;

ods results off ;

ods verify off ;

ods escapechar = "^" ;

title1 j = L "First Line of the Title" ;

title2 j = l "Page ^{thispage}  of ^{lastpage}" ;

ods noptitle ;

ods proclabel "test";

options orientation = portrait nodate nonumber ;

ods rtf file = ".\class.rtf" style = custom nocontents;

/*proc print data = work.class ;*/
/*run;*/

proc report data = work.class nowd;
    column ("title pre" ("title1 ^n title2" name sex age weight height)) ;
	define name/display ;
	define sex/display ;
    define age/display ;
	define weight/display ;
	define height/display ;
run;

ods rtf close ;

ods results on ;

ods listing ;