Assign the libref and set the graphics environment. HTEXT= assigns the height for the text in the default unit, cells. 
libname reflib 'SAS-data-library';
goptions reset=global border cback=white
         colors=(black blue green red)
         ftitle=swissb htitle=3pct
         htext=.8 ftext=none
         hsize=7in vsize=5in;