Is it ok to override CSS property of class in the same stylesheet?

Just a simple question: Is something like this ok ?

for example:

#formbox textarea,
#formbox input,
#formbox select {
    padding: 5px;
    border-radius: 3px;
    border: 1px solid #CCCCCC;
    margin-bottom: 25px;
    width: 220px;
}

#formbox select {
    width: 232px;
}

#formbox textarea {
    width: 300px;
    margin-bottom: 0;
}

I assigned width and margin-bottom property for select and textarea twice, is it ok, or should i just separate #formbox textarea, #formbox input, #formbox select and copy&paste properties that are the same for them ?