Как задать стили в js файле?

$('.class').css({"color": "#000", "border": "1px solid #fff"});

malaya_vishera: {
		name: 'Малая Вишера',
        url: 'https://53nov.ru/catalog/all_0/malaya_vishera_6393/',     
		path: 'm 365.23615,264.66361 23.33759,14.33525 -0.47133,38.50001 13.07998,3.71865 -3.64634,8.01463 -2.87508,14.506 9.4465,-0.0924 27.14103,0.0729 0.27137,1.87017 7.35552,12.68462 12.87146,-1.54492 13.47132,0.0995 2.10811,-17.77202 7.67403,-3.68885 26.2338,-10.01489 16.37783,-16.44122 12.87145,-14.72284 -2.39947,-4.20381 0.72841,-19.77501 3.60492,-18.24634 0.12255,-6.34503 -2.81938,-17.88586 -13.09284,-1.32809 -1.25686,-9.34813 -30.13224,-0.29815 -4.6147,-8.74372 -6.62425,0.14609 0.52845,-18.54448 -1.18545,-0.29815 -1.08548,-0.29814 -0.74269,-0.0596 -0.52846,-0.23797 -2.59228,-0.65049 -1.19974,-0.0396 1.65107,-5.3747 -5.04747,2.93535 -5.81586,3.37173 -0.97122,-0.0396 -4.83893,1.08415 -6.44858,3.50454 -12.8986,-8.35342 -17.03268,14.85564 -13.02714,-0.0171 -4.85179,8.92531 -6.21006,-5.69453 -10.44485,14.15095 -2.7294,-5.42349 -7.09843,8.37781 -11.50462,13.3812 15.87994,13.59802 -10.58339,17.33566z '

 
	},

$('.class').mouseover(function(){
  $('.class').css("color", "#000");
});