Hi nickmustafa,
Find this in the Epik style.css
.genesis-nav-menu .menu-item {
float: left;
list-style-type: none;
margin: 0px;
padding: 0px;
text-align: left;
}
To add a solid line below each menu item add one line ‘border-bottom : 1px solid #000000;’ like so :
.genesis-nav-menu .menu-item {
float: left;
list-style-type: none;
margin: 0px;
padding: 0px;
text-align: left;
border-bottom : 1px solid #000000;
}
which gives you a black, 1px thick, solid line. You can choose the hex colour of your line here http://www.colorpicker.com/
Cheers
Phil