Cannot change all nav items css color from default red to green

Cannot change default red color of lines on the nav items - would like all green.

Please note the dot com below:

https://milkmoneyvt dot com/events/icalrepeat.detail/2016/09/28/13/-/entrepreneur-basics-series-intellectual-property-101

.nav-items > div:last-child {
border-right: 1px solid #93bd67 !important;
}
.nav-items > div:last-child {
border-radius: 0 5px 5px 0;
border-right: 1px solid #93bd67 !important;
}
.nav-items > div {
border: 1px solid #93bd67 !important;
}
.nav-items > div {
border: 1px solid #93bd67 !important;
}
.nav-items > div {
margin-left: -5px;
display: inline-block;
padding: 3px 0px 2px 0px;
line-height: 23px;
vertical-align: middle;
border: 1px solid #93bd67 !important;
border-left: 0px;
}
.nav-items > div:first-child {
border-radius: 5px 0 0 5px;
border-left: 1px solid #93bd67 !important;
}