[Wordpress issuses] iqatrophie on "[Theme: Truly Minimal] Orange background at Gravatars"

I've changed my theme and went for the new, fabulous "Truly Minimal" Theme. During testing and checking out I came across a strange orange background color which is shown behind all gravatars in comments that are answers to a first comment.

You can see it e.g. → here. Check the comments.

It's because of the following CSS Code

.bypostauthor .avatar {
    background-color: #FF5C0C;
    padding: 5px;
}

I've checked the Live Demo as well as the FlareThemes page. None of these show the ugly orange background color. To be honest the color doesn't even match with the other colors of the theme. Yuck! ;)

Could this be fixed to look like the Live Demo?

The blog I need help with is iqatrophie.wordpress.com.

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