Fix Chinese language selector

[tunetheweb]

We currently have this:

When we should have this:

Wish there was a way of coding this based on length of current option selected, but select elements has very little styling support. Hopefully be fixes properly by #986 but this'll do for now.

[rviscomi]

Weird! What is it about these characters that make the <select> shrink?

[tunetheweb]

It's not so much the <select> shrinking - it's the fact we have the drop down arrow as an ::after element and use absolute position to bring it into the <select> circle. So it is a bit of a magic number to give it that space but not too much space.

Plus <selects> really are the unloved children of the CSS world!