<apex:outputLink value="/apex/my_app_home?id={! personId}" rendered="true">
   <span>
        <span class="icon" style="background-position: 0 -180px;"></span>
        <apex:outputLabel value="PERSON AGAIN"></apex:outputLabel>
    </span>
</apex:outputLink>

<a href="/apex/my_app_home?id={! personId}">
   <span>
        <span class="icon" style="background-position: 0 -180px;"></span>
        <apex:outputLabel value="PERSON AGAIN"></apex:outputLabel>
    </span>
</a>