/* Make the image use the full width at lower resolutions: */  
article > div[property="image"],  
article > div[property="image"] img {  
width: 100%;  
}  

/* Float the image to the left at higher resolutions: */  
@media(min-width: 960px) {  
    article > div[property="image"] {  
    margin: 10px 20px 0 0;  
    float: left;  
    max-width: 100%;  
    width: 40%;  
    }  
}