HTML
<button
title='Click me to say hello'
aria-label='Click me to say hello'
class='demoButton'>
Hello World
</button>CSS
.demoButton {
borderRadius: 5px;
color: #ffffff;
backgroundColor: #3f51b5;
padding: 15px 20px;
textAlign: center;
fontSize: 16px;
border: 'none';
}