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#div271{
width:50%;
height:200px;
background-color:red;
transition-duration:3s;
-webkit-transition-duration:3s;

}

#div272{
width:50%;
height:200px;
background-color:red;
transition-duration:10s;
-webkit-transition-duration:10s;

}

#div271:active{
width:100%;
background-color:blue;
}

#div272:active{
width:100%;
background-color:green;
}