all design of a button in html code example

Example 1: button style css

<a class="pure-button pure-button-primary" href="#">A Primary Button</a>
<button class="pure-button pure-button-primary">A Primary Button</button>

Example 2: button style css

<a class="pure-button pure-button-active" href="#">An Active Button</a>
<button class="pure-button pure-button-active">An Active Button</button>