3 function animationIterationCount(validator, value1, value2) {  argument
4 …if (!understandable(validator, value1, value2, 0, true) && !(validator.isAnimationIterationCountKe…
6   } else if (validator.isVariable(value1) && validator.isVariable(value2)) {
13 function animationName(validator, value1, value2) {  argument
14 …if (!understandable(validator, value1, value2, 0, true) && !(validator.isAnimationNameKeyword(valu…
16   } else if (validator.isVariable(value1) && validator.isVariable(value2)) {
23 function areSameFunction(validator, value1, value2) {  argument
24   if (!validator.isFunction(value1) || !validator.isFunction(value2)) {
28   var function1Name = value1.substring(0, value1.indexOf('('));
34 function backgroundPosition(validator, value1, value2) {  argument
35 …if (!understandable(validator, value1, value2, 0, true) && !(validator.isBackgroundPositionKeyword…
37   } else if (validator.isVariable(value1) && validator.isVariable(value2)) {
43   return unit(validator, value1, value2);
46 function backgroundSize(validator, value1, value2) {  argument
47 …if (!understandable(validator, value1, value2, 0, true) && !(validator.isBackgroundSizeKeyword(val…
49   } else if (validator.isVariable(value1) && validator.isVariable(value2)) {
55   return unit(validator, value1, value2);
58 function color(validator, value1, value2) {  argument
59   if (!understandable(validator, value1, value2, 0, true) && !validator.isColor(value2)) {
61   } else if (validator.isVariable(value1) && validator.isVariable(value2)) {
63 …lse if (!validator.colorOpacity && (validator.isRgbColor(value1) || validator.isHslColor(value1)))…
67   } else if (validator.isColor(value1) && validator.isColor(value2)) {
71   return sameFunctionOrValue(validator, value1, value2);
75   return function (validator, value1, value2, position) {  argument
76     return overrideCheckers[position](validator, value1, value2);
80 function fontFamily(validator, value1, value2) {  argument
81   return understandable(validator, value1, value2, 0, true);
84 function image(validator, value1, value2) {  argument
85   if (!understandable(validator, value1, value2, 0, true) && !validator.isImage(value2)) {
87   } else if (validator.isVariable(value1) && validator.isVariable(value2)) {
91   } else if (validator.isImage(value1)) {
95   return sameFunctionOrValue(validator, value1, value2);
99   return function(validator, value1, value2) {  argument
100 …if (!understandable(validator, value1, value2, 0, true) && !validator.isKeyword(propertyName)(valu…
102     } else if (validator.isVariable(value1) && validator.isVariable(value2)) {
111   return function(validator, value1, value2) {  argument
112 …if (!understandable(validator, value1, value2, 0, true) && !(validator.isKeyword(propertyName)(val…
114     } else if (validator.isVariable(value1) && validator.isVariable(value2)) {
122 function propertyName(validator, value1, value2) {  argument
123   if (!understandable(validator, value1, value2, 0, true) && !validator.isIdentifier(value2)) {
125   } else if (validator.isVariable(value1) && validator.isVariable(value2)) {
132 function sameFunctionOrValue(validator, value1, value2) {  argument
133   return areSameFunction(validator, value1, value2) ?
135     value1 === value2;
138 function textShadow(validator, value1, value2) {  argument
139 …if (!understandable(validator, value1, value2, 0, true) && !(validator.isUnit(value2) || validator…
141   } else if (validator.isVariable(value1) && validator.isVariable(value2)) {
148 function time(validator, value1, value2) {  argument
149   if (!understandable(validator, value1, value2, 0, true) && !validator.isTime(value2)) {
151   } else if (validator.isVariable(value1) && validator.isVariable(value2)) {
153   } else if (validator.isTime(value1) && !validator.isTime(value2)) {
157   } else if (validator.isTime(value1)) {
159 …} else if (validator.isFunction(value1) && !validator.isPrefixed(value1) && validator.isFunction(v…
163   return sameFunctionOrValue(validator, value1, value2);
166 function timingFunction(validator, value1, value2) {  argument
167 …if (!understandable(validator, value1, value2, 0, true) && !(validator.isTimingFunction(value2) ||…
169   } else if (validator.isVariable(value1) && validator.isVariable(value2)) {
176 function unit(validator, value1, value2) {  argument
177   if (!understandable(validator, value1, value2, 0, true) && !validator.isUnit(value2)) {
179   } else if (validator.isVariable(value1) && validator.isVariable(value2)) {
181   } else if (validator.isUnit(value1) && !validator.isUnit(value2)) {
185   } else if (validator.isUnit(value1)) {
187 …} else if (validator.isFunction(value1) && !validator.isPrefixed(value1) && validator.isFunction(v…
191   return sameFunctionOrValue(validator, value1, value2);
197   return function(validator, value1, value2) {  argument
198     return unit(validator, value1, value2) || byKeyword(validator, value1, value2);
202 function unitOrNumber(validator, value1, value2) {  argument
203 …if (!understandable(validator, value1, value2, 0, true) && !(validator.isUnit(value2) || validator…
205   } else if (validator.isVariable(value1) && validator.isVariable(value2)) {
207 …} else if ((validator.isUnit(value1) || validator.isNumber(value1)) && !(validator.isUnit(value2) …
211   } else if (validator.isUnit(value1) || validator.isNumber(value1)) {
213 …} else if (validator.isFunction(value1) && !validator.isPrefixed(value1) && validator.isFunction(v…
217   return sameFunctionOrValue(validator, value1, value2);
220 function zIndex(validator, value1, value2) {  argument
221   if (!understandable(validator, value1, value2, 0, true) && !validator.isZIndex(value2)) {
223   } else if (validator.isVariable(value1) && validator.isVariable(value2)) {