Description of two implementation methods for aligning CSS icons and text

<p>
        <img src="" alt="" class="heart">
        <span>1169</span>
        <img src="" alt="" class="comment">
        <span>1168</span>
</p>

p{    
     height:30px;    
     line-hight:30px;    
}    
.heart,.comment{    
        vertical-align:middle;    
}

<p>
        <span class="heart">1169</span>
        <span class="comment">1168</span>
</p>

.hear{    
        background:url(images/heart.png) left center no-repeat;    
        margin-right:20px;    
}    
.comment{    
        background:url(images/comment.png) left center no-repeat;    
}    
.hear,.comment{    
        height:30px;    
        line-height:30px;    
        padding-left:20px;    
}