Answers for "jquery get current css value"

jquery css

$('#element').css('display', 'block'); /* Single style */
$('#element').css({'display': 'block', 'background-color' : '#2ECC40'}); /* Multiple style */

jquery modify style attribute

$('#yourElement').css('display', 'none');

get css value jquery

var font-size = $('p').css('font-size');
console.log(font-size);