how to add css style in jquert code example

Example 1: jquery css

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

Example 2: styling element using jquery

Syntax:
$(selector).css(property-name:property-value);

Example:
$('.bodytext').css('color':'red');