Hello,
1) Theme Options > Header Settings > Main header area > Header color scheme > Dark, then add this code
.header-wrapper .menu > li > a, .header-wrapper .header .menu-main-container .menu > li > a,
.header-wrapper.color-light .shop-text {
color: white !important;
}
in Custom CSS for Home page – http://prntscr.com/qdmysj
2) It is Breadcrumbs and can be disabled globally via Theme Options or via page layout settings > Breadcrumbs Style.
Regards