how to add any css propery using jquery code example

Example 1: jquery add css

$('#start').css({'font-weight':'bold'});

Example 2: how to set css style using jquery

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

Example 3: set css using jquery

$('.name').css('color':'blue');