You should not be using the align and width tags anymore. Use CSS instead. Upgrade yourself.

Webkit transitions and transforms using CSS3. Examples using Safari and Chrome with CSS3 Transitions and Transforms. Only in webkit browsers.

Auto refresh your browser every X seconds with a meta tag. We the following code inside your HEAD on your page and the browser will automatically refresh every content seconds.

How to add a HTML5 slider range. Use some JavaScript to change the div border-radius. Add a form input range with HTML5.

How to create a date picker with HTML5 using input type date. Supported browser Opera 9.0 No longer JavaScript date pickers try the HTML5 input form items.

How to add the autofocus attribute for Chrome, Safari, Opera and even Firefox or Internet Explorer using a little JavaScript code. Use HTML5 adding autofocus.