<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.2/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>