To meet is html5 + css3 today is too great. Let me introduce today I use input attributes.
html5 code is as follows:
code is as follows:

<Input type="text" placeholder="input enter a search for" an autofocus X-ray webkit researched/>
placeholder autofocus the default prompt characters when the page loads, get focus a button X-ray webkit researched and voice search, webkit kernel to support the accept rules can upload file types (only applicable type=file)
Alt provisions image text input control instead of autocomplete whether to use the input fields the completion of the required input field is a must step input number interval pattrn regular matching the content of the input

This concludes the body part