Interview: Basic Horizontal Nav Bar

<ul class="list">    <li *ngFor="let item of list">{{item}}</li></ul>

.list {    list-style-type: none;    margin: 0;    padding: 10px 0;    border: 1px solid grey;    margin: 5px 5px 0 5px;    > li {        display: inline;        padding: 11px;        border-right: inherit;        opacity: 0.7;        &:hover {            background-color: grey;            opacity: 1;        }    }}