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#div278{
width:200px;
height:75px;
border:2px solid black;
outline-width:5px;
outline-color: red;
}
#div279{
width:200px;
height:75px;
border:2px solid black;
outline-width:5px;
outline-color: yellow;
}
#div280{
width:200px;
height:75px;
border:2px solid black;
outline-width:5px;
outline-color: green;
}