<!DOCTYPE html>
<html lang="en-US">
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script> </head>
<body>
<h1>jQuery :button Selector</h1>
<form action="/user-name.php" method="get">
Name: <input type="text" name="name">
<button>button</button>
<button type="button">button Button</button>
<input type="button" value="input Button">
</form>
<script>
$(document).ready(function(){
$(":button").css({"background-color":"blue","color":"#fff"});
});
</script> </body>
</html>