The 40px spacing applies to the iframe for the entire HTML question. Whilst your trick worked for me, I'd suggest moving all of your Question Text to inside the Question HTML: part of the response area:

Thank you, I just sent you the texts.

If you have a list of answers as a variable in the algorithm section of your question. e.g.

$TA=["2*Pi",5,"x/y"];

You can put the following grading code to award points based on how many input boxes have the correct answer.

TA:=$TA: RESP:=$RESPONSE: grade := 0.0: for i to nops(TA) do if TA[i] = parse(RESP[i]) then grade := grade+1.0/nops(TA); end if end do: grade;

The order of answer boxes in the html must be the same as the order in $TA. With this code each box is worth 1/n, where n is the number of answer boxes.

@jmtrik If .js files are not allowed, you can get around this by uploading them as .txt and linking to those.