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#referenced {
    border: solid 3px;
    margin: 10px;
    width: 320px;
    height: 240px;
    float:left;    
}



#embeded {
    border-color: red;
    background-image: url('http://upload.wikimedia.org/wikipedia/commons/1/18/Pattern_hex_32_v.png');

}

#referenced {
    border-color: blue;
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}