CSS validar para todos los navegadores

[fersosa]

pues inserto el código creado por Modernizr y no cambia el background. incluso cambia de posición un div.
el código inserto en el head es el siguiente:

/* Modernizr 2.8.1 (Custom Build) | MIT & BSD
* Build: http://modernizr.com/download/#-multiplebgs-cssgradients-addtest-prefixed-teststyles-testprop-testallprops-hasevent-prefixes-domprefixes
*/
;



window.Modernizr = (function( window, document, undefined ) {

var version = '2.8.0',

Modernizr = {},


docElement = document.documentElement,

mod = 'modernizr',
modElem = document.createElement(mod),
mStyle = modElem.style,

inputElem ,


toString = {}.toString,

prefixes = ' -webkit- -moz- -o- -ms- '.split(' '),



omPrefixes = 'Webkit Moz O ms',

cssomPrefixes = omPrefixes.split(' '),

domPrefixes = omPrefixes.toLowerCase().split(' '),


tests = {},
inputs = {},
attrs = {},

classes = [],

slice = classes.slice,

featureName,


injectElementWithStyles = function( rule, callback, nodes, testnames ) {

var style, ret, node, docOverflow,
div = document.createElement('div'),
body = document.body,
fakeBody = body || document.createElement('body');

if ( parseInt(nodes, 10) ) {
while ( nodes-- ) {
node = document.createElement('div');
node.id = testnames ? testnames[nodes] : mod + (nodes + 1);
div.appendChild(node);
}
}

style = ['­','<style id="s', mod, '">', rule, '</style>'].join('');
div.id = mod;
(body ? div : fakeBody).innerHTML += style;
fakeBody.appendChild(div);
if ( !body ) {
fakeBody.style.background = '';
fakeBody.style.overflow = 'hidden';
docOverflow = docElement.style.overflow;
docElement.style.overflow = 'hidden';
docElement.appendChild(fakeBody);
}

ret = callback(div, rule);
if ( !body ) {
fakeBody.parentNode.removeChild(fakeBody);
docElement.style.overflow = docOverflow;
} else {
div.parentNode.removeChild(div);
}

return !!ret;

},



isEventSupported = (function() {

var TAGNAMES = {
'select': 'input', 'change': 'input',
'submit': 'form', 'reset': 'form',
'error': 'img', 'load': 'img', 'abort': 'img'
};

function isEventSupported( eventName, element ) {

element = element || document.createElement(TAGNAMES[eventName] || 'div');
eventName = 'on' + eventName;

var isSupported = eventName in element;

if ( !isSupported ) {
if ( !element.setAttribute ) {
element = document.createElement('div');
}
if ( element.setAttribute && element.removeAttribute ) {
element.setAttribute(eventName, '');
isSupported = is(element[eventName], 'function');

if ( !is(element[eventName], 'undefined') ) {
element[eventName] = undefined;
}
element.removeAttribute(eventName);
}
}

element = null;
return isSupported;
}
return isEventSupported;
})(),


_hasOwnProperty = ({}).hasOwnProperty, hasOwnProp;

if ( !is(_hasOwnProperty, 'undefined') && !is(_hasOwnProperty.call, 'undefined') ) {
hasOwnProp = function (object, property) {
return _hasOwnProperty.call(object, property);
};
}
else {
hasOwnProp = function (object, property) {
return ((property in object) && is(object.constructor.prototype[property], 'undefined'));
};
}


if (!Function.prototype.bind) {
Function.prototype.bind = function bind(that) {

var target = this;

if (typeof target != "function") {
throw new TypeError();
}

var args = slice.call(arguments, 1),
bound = function () {

if (this instanceof bound) {

var F = function(){};
F.prototype = target.prototype;
var self = new F();

var result = target.apply(
self,
args.concat(slice.call(arguments))
);
if (Object(result) === result) {
return result;
}
return self;

} else {

return target.apply(
that,
args.concat(slice.call(arguments))
);

}

};

return bound;
};
}

function setCss( str ) {
mStyle.cssText = str;
}

function setCssAll( str1, str2 ) {
return setCss(prefixes.join(str1 + ';') + ( str2 || '' ));
}

function is( obj, type ) {
return typeof obj === type;
}

function contains( str, substr ) {
return !!~('' + str).indexOf(substr);
}

function testProps( props, prefixed ) {
for ( var i in props ) {
var prop = props[i];
if ( !contains(prop, "-") && mStyle[prop] !== undefined ) {
return prefixed == 'pfx' ? prop : true;
}
}
return false;
}

function testDOMProps( props, obj, elem ) {
for ( var i in props ) {
var item = obj[props[i]];
if ( item !== undefined) {

if (elem === false) return props[i];

if (is(item, 'function')){
return item.bind(elem || obj);
}

return item;
}
}
return false;
}

function testPropsAll( prop, prefixed, elem ) {

var ucProp = prop.charAt(0).toUpperCase() + prop.slice(1),
props = (prop + ' ' + cssomPrefixes.join(ucProp + ' ') + ucProp).split(' ');

if(is(prefixed, "string") || is(prefixed, "undefined")) {
return testProps(props, prefixed);

} else {
props = (prop + ' ' + (domPrefixes).join(ucProp + ' ') + ucProp).split(' ');
return testDOMProps(props, prefixed, elem);
}
}
tests['multiplebgs'] = function() {
setCss('background:url(https://),url(https://),red url(https://)');

return (/(url\s*\(.*?){3}/).test(mStyle.background);
};



tests['cssgradients'] = function() {
var str1 = 'background-image:',
str2 = 'gradient(linear,left top,right bottom,from(#9f9),to(white));',
str3 = 'linear-gradient(left top,#9f9, white);';

setCss(
(str1 + '-webkit- '.split(' ').join(str2 + str1) +
prefixes.join(str3 + str1)).slice(0, -str1.length)
);

return contains(mStyle.backgroundImage, 'gradient');
};

for ( var feature in tests ) {
if ( hasOwnProp(tests, feature) ) {
featureName = feature.toLowerCase();
Modernizr[featureName] = tests[feature]();

classes.push((Modernizr[featureName] ? '' : 'no-') + featureName);
}
}



Modernizr.addTest = function ( feature, test ) {
if ( typeof feature == 'object' ) {
for ( var key in feature ) {
if ( hasOwnProp( feature, key ) ) {
Modernizr.addTest( key, feature[ key ] );
}
}
} else {

feature = feature.toLowerCase();

if ( Modernizr[feature] !== undefined ) {
return Modernizr;
}

test = typeof test == 'function' ? test() : test;

if (typeof enableClasses !== "undefined" && enableClasses) {
docElement.className += ' ' + (test ? '' : 'no-') + feature;
}
Modernizr[feature] = test;

}

return Modernizr;
};


setCss('');
modElem = inputElem = null;


Modernizr._version = version;

Modernizr._prefixes = prefixes;
Modernizr._domPrefixes = domPrefixes;
Modernizr._cssomPrefixes = cssomPrefixes;


Modernizr.hasEvent = isEventSupported;

Modernizr.testProp = function(prop){
return testProps([prop]);
};

Modernizr.testAllProps = testPropsAll;


Modernizr.testStyles = injectElementWithStyles;
Modernizr.prefixed = function(prop, obj, elem){
if(!obj) {
return testPropsAll(prop, 'pfx');
} else {
return testPropsAll(prop, obj, elem);
}
};



return Modernizr;

})(this, this.document);
;