<button>
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<button>That button are clickable</button>
Code show like this:
Browser Support
The <button> tag is supported in all major browsers.
What is button tag
Button tag is working in outside of form. iThe <button> tag defines a clickable button. If you use the <button> tag in an HTML form, some browsers may submit different values. Use can <input> tag to create buttons in an HTML form.
Differences Between HTML 4.01 and HTML5
HTML5 the following new attributes: autofocus, form, formaction, formenctype, formmethod, formnovalidate, and formtarget.