.menu {
    list-style: none;
    border-bottom: 0.1em solid black;
    margin-bottom: 2em;
    padding: 0 0 0.5em;
    &:before {
        content: "[";
    }
    &:after {
        content: "]";
    }
    > li {
        display: inline;
    }
    > li{
        &:before {
            content: "|";
            padding-right: 0.3em;
        }
        &:nth-child(1){
            &:before {
                content: "";
                padding: 0;
            }
        }
    }
}