If statement #3 above is passed, the h3 heading below should have font of 12pt and 14pt Helvetica (if Helvetica is supported). The rule applied is "H3 {font: 12pt/14pt Helvetica}". This property "font" has its own grouping syntax. All other properties should be UA-default. This paragraph is extended by addition of this sentence so that a line break should appear where indicated.