Getting Colour, Size And Quantity Selectors On Same Line In Dawn Theme

[D666]

I'm trying to get the Color, Size and Quantity selectors on the same line in Dawn 11 theme.

I managed to move the colour up using dis.product-form__input {display: inline}, but the Quantity selector appears to be in a different <div> and I don't know how to move it up as well. 

Can anyone please help?

This is the result I want to get: