CSS

how to style the button

/* Add style when button is focused or hovered */
button:focus,
button:hover {
  background-color: #0077ff;
  color: #e0efff;
}

button style css

<button class="pure-button pure-button-disabled">A Disabled Button</button>
<button class="pure-button" disabled="">A Disabled Button</button>

button style css

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

button style css

<div class="pure-button-group" role="group" aria-label="...">
    <button class="pure-button">A Pure Button</button>
    <button class="pure-button">A Pure Button</button>
    <button class="pure-button pure-button-active">A Pure Button</button>
</div>

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>

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>

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>

css style all buttons

button { 
    color:#050; 
    font: old 84% 'trebuchet ms',helvetica,sans-serif; 
    background-color:#fed; 
    border:1px solid; 
    border-color: #696 #363 #363 #696; 
}