Obviously the code above is for poll or gallery to the left, text to the right: you can use “float:right” and “margin-left” if you want it the other way. And you can adjust the vertical space that separates the text by changing the margin number.
Depending on the theme and the exact placement of the poll or the gallery, you may need to add top and bottom margins as well, i.e. write the opening part of the code this way (the numbers are just an example):
(The number is just an example: you can change it.)
Audio player centered
For the “closed” version of the audio player you can use the same code, using 81 instead of 290 for the width. This way the player won’t expand when clicked. Example: