function jegValidateCSSValue(value) {

    var validUnits = ['rem', 'em', 'ex', '%', 'px', 'cm', 'mm', 'in', 'pt', 'pc', 'ch', 'vh', 'vw', 'vmin', 'vmax'],
        numericValue,
        unit;

    // 0 is always a valid value
    if ('0' === value) {
        return true;
    }

    // If we're using calc() just return true.
    if (0 <= value.indexOf('calc(') && 0 <= value.indexOf(')')) {
        return true;
    }

    // Get the numeric value.
    numericValue = parseFloat(value);

    // Get the unit
    unit = value.replace(numericValue, '');

    // Check the validity of the numeric value.
    if (isNaN(numericValue)) {
        return false;
    }

    // Check the validity of the units.
    if (-1 === jQuery.inArray(unit, validUnits)) {
        return false;
    }

    return true;

}
