Often you can edit this behavior in the theme customizer, just poke around and look for where you can edit the header, and then narrow down to menu styling. This is the best option.
You can also use custom CSS to get the result you are looking for. This CSS will work, but you need to have an appropriate place to add it (also usually in the theme customizer).
.genesis-nav-menu .current-menu-item > a {
text-decoration: underline !important;
color: black !important;
}
ul.menu a:hover {
color: black !important;
}
Hi
You can add the following code in your Additional CSS but either replace #ffffff with the colour you want OR replace with unset (only checked on desktop). You can use the same CSS for the active link too.
.genesis-nav-menu a:hover {color: #ffffff; text-decoration: underline;}
Farook
i found the customization within the theme, thank you.