Comments are below sidebar in IE

https://amytoons.com/blog/

can someone tell me how to fix this problem. it views fine with firefox but not IE. the comments are below the side bar when i view with IE.

my style css.
#sidebar {
float: left;
padding: 1.8em 20px 0 20px;
width: 230px;
font-size: 0.9em;
voice-family: “\”}\””;
voice-family: inherit;
width: 190px;

i know it shouldn’t be align: left.