BuddyPress.org

In your site-wide.css(side wide) or custom.css(home) in your wordpress themes theme.

custom.css (line 83)

#header {

background: none;

padding:0 25px 20px;

position: relative;

}

custom.css (line 87)

#header ul#nav {

float:right;

margin:-63px -5px 0 0;

}

custom.css (line 91)

#header ul#nav li {

float:left;

margin:-20px 0 0 18px;

}

Hope that helps, I had the same problem there is some style inconsistencies between the bphome and bpmembers styles.