.Kvf01{
background: url(../Pict/rf01.jpg);	
background-size: cover;
cursor: pointer;
}

.Kvf02{
background: url(../Pict/rf02.jpg);	
background-size: cover;
cursor: pointer;
}

.Kvf03{
background: url(../Pict/rf03.jpg);	
background-size: cover;
cursor: pointer;
}

.Kvf04{
background: url(../Pict/rf04.jpg);	
background-size: cover;
cursor: pointer;
}