Poster un message

I'm really enjoying the theme/design of your
blog. Do you ever run into any internet browser compatibility issues ?
A handful of my blog readers have complained about my blog not working
correctly in Explorer but looks great in Firefox.
Do you have any advice to help fix this issue ?
Here is my web-site ; [Alexander->http://demo.woltlab.fr/lite1/wbb/index.php?page=User&userID=1617768]