not visible tekst menu in header

hello
I love this thema
I cahnge the colour of my header en i make the tekst of the navigation white
only i can not see the other teks from the navigation,only the home tekst
when i move my mouse over the other tekst then i see it
how can i show all the tekst from the navigation
thanks for help

i use this

.site-header-one .site-top-bar {
background-color: #a84da8;
}

.site-header .header-bar {
background-color: #a84da8;
}
.header-bar-inner {
background-color: #a84da8;
}

.site-header-one .site-header-right {
background-color: #a84da8
;
}

div#primary {
background: #f5d3e9;
}