how to change css style using jquery code example

Example 1: edit css jquery

$('.ama').css('color','red');

Example 2: how to css in jquery

$(init);
    
function init() {
    $("h1").css("backgroundColor", "yellow");
    $("#myParagraph").css({ "backgroundColor": "black", "color": "white" });
    $(".bordered").css("border", "1px solid black");
}