Does this CSS code look right?

Hello
Iam realy bad on css, and wonder if I have don right ( It works but I want to know if its right),
I wanted to change color text as picture.

Changes i have done is in and is marked whit *****, 
File navbar.less

.navbar-collapse {
  flex: 1 1 auto;
  overflow-x: visible;
  border-top: 1px solid transparent;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
  -webkit-overflow-scrolling: touch;
  transition: height 0.5s;
  color: #ffffff; *****

  .dropdown-menu {
    min-width: 100%;
    margin-top: -1px;
    border-top: none;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
    color: #333;*****
Looks right :)
Thanks Tim :)