Position Radio Buttons Elements Over Background Image

I have a backgorund image and want to position some radio buttons (the circle of the radio button will be hidden and only the label will appear) just close to the red triangles (as

Solution 1:

Ok, managed to solve that. I put the position as a style in the div that includes the radio button

<div class="buton" style="position:absolute; left:400px; top:250px">
  <input type="radio" name="a" value="b" id="b" /> <label for="b"> radio text 2 </label>
</div>