make button small css code example

Example 1: button style css

<button class="pure-button">
    <i class="fa fa-cog"></i>Settings
</button>
<a class="pure-button" href="#">
    <i class="fa fa-shopping-cart fa-lg"></i>Checkout
</a>

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>