Others have comments on the need to use the CGI.pm module. Several others have discussed the need (or lack of a need) to quote HTML attributes. Those two horses are well and truly deceased.

Wht did you enclose your print string in double quotes? Are there values you want interpolated? If not, you are wasting resources. Try: print STDOUT '<font face ="courier"> blah blah </font>'; instead. Except, by now you are no doubt using the CGI.pm methods.