Activity stream Avatar

[New Joe]

I've had this a few times, it shouldn't be like, the avatars should re size themselves but they don't but the only way I found was to do this:
Go to activitystream.css
Find;

li.activitybit .avatar {
    float: left;
    padding-right: 10px;
    width: 75px;

And then Remove:

width: 75px;