Creating a custom html button with background Image and Text
<input type="button" value="Submit" style="background-image: url(pages/images/ButtonBackground.png);">

<button type=submit style="background: #ccc url(test.jpg); padding: 0.5em 1em">Go!</button>

<button>
    <span class='image'></span>
    <span class='text'>Click Me!</span>
</button>

<input type="button" value="Submit" style="background: url(pages/images/ButtonBackground.png) no-repeat; width:px; height:px;">

<input type="submit" value="" name="commit" id="message_submit" class="registerbtn"/>

.registerbtn{background:url(../images/btn_registro.jpg) no-repeat; width:98px; height:32px; border:none;}