<html>
<head>
<script src="https://libs.baidu.com/jquery/1.10.2/jquery.min.js">
</script>
<script>
$(document).ready(function(){
$("button").click(function(){
$("p").css({
"color":"white",
"background-color":"#98bf21",
"font-family":"Arial",
"font-size":"20px",
"padding":"5px"
});
});
});
</script>
</head>
<body>
<button>Set multiple CSS properties for all p elements</button>
<p>This is a paragraph.</p>
<p>This is another paragraph.</p>
</body>
</html>