.testOneLevelPassthrough { width: 1px; height: 2px; opacity: 0.3; }

.testOneLevelNoArgs { width: 0; height: 0; opacity: 0; }

.testOneLevelSingleArg { width: 1px; height: 0; opacity: 0; }

.testOneLevelNamedSingleArg { width: 0; height: 0; opacity: 0.1; }

.testOneLevelNamedArgs { width: 1px; height: 2px; opacity: 0.3; }

.testTwoLevelPassthrough { width: 1px; height: 2px; opacity: 0.3; }

.testTwoLevelNoArgs { width: 0; height: 0; opacity: 0; }

.testTwoLevelSingleArg { width: 1px; height: 0; opacity: 0; }

.testTwoLevelNamedSingleArg { width: 0; height: 0; opacity: 0.1; }

.testTwoLevelNamedArgs { width: 1px; height: 2px; opacity: 0.3; }