1$('#element').css('display', 'block'); /* Single style */
2$('#element').css({'display': 'block', 'background-color' : '#2ECC40'}); /* Multiple style */ 

1//Set one style attribute
2$('#element').css('display', 'block');
3//Set multiple style attributes
4$('#element').css({'display': 'block', 'background-color' : '#2ECC40'}); /* Multiple style *

1$('#yourElement').css('display', 'none');

1var font-size = $('p').css('font-size');
2console.log(font-size);

1Syntax:
2$(selector).css(property-name:property-value);
3
4Example:
5$('.bodytext').css('color':'red');