traxxx/assets/components/header/header.vue

<template>
    <header class="header">
        <router-link
            to="/"
            class="logo-link"
        ><h1 class="logo">traxxx</h1></router-link>

        <nav class="nav">
            <ul class="nolist">
                <li class="nav-item">
                    <router-link
                        to="/actors"
                        class="nav-link"
                        :class="{ active: active === 'actors' }"
                    >
                        <Icon icon="stars" /><span class="nav-label">Actors</span>
                    </router-link>
                </li>

                <li class="nav-item">
                    <router-link
                        to="/networks"
                        class="nav-link"
                        :class="{ active: active === 'networks' }"
                    >
                        <Icon icon="earth2" /><span class="nav-label">Networks</span>
                    </router-link>
                </li>

                <li class="nav-item">
                    <router-link
                        to="/tags"
                        class="nav-link"
                        :class="{ active: active === 'tags' }"
                    >
                        <Icon icon="price-tags" /><span class="nav-label">Tags</span>
                    </router-link>
                </li>
            </ul>
        </nav>
    </header>
</template>

<script>
function active() {
    return this.$route.name;
}

export default {
    computed: {
        active,
    },
};
</script>

<style lang="scss" scoped>
@import 'theme';

.header {
    display: flex;
    align-items: center;
    background: $background;
    color: $primary;
    border-bottom: solid 1px $shadow-hint;
    font-size: 0;
}

.logo-link {
    color: inherit;
    display: inline-block;
    text-decoration: none;
}

.logo {
    display: inline-block;
    padding: .5rem 1rem;
    margin: 0 1rem 0 0;
    font-size: 2rem;
}

.nav {
    display: inline-block;
}

.nav-link {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    border-bottom: solid 5px transparent;
    color: $shadow;
    text-decoration: none;
    font-size: .9rem;
    font-weight: bold;

    .icon {
        fill: $shadow;
        margin: 0 .5rem 0 0;
    }

    &.active {
        color: $primary;
        border-bottom: solid 5px $primary;

        .icon {
            fill: $primary;
        }
    }

    &:hover:not(.active) {
        color: $primary;

        .icon {
            fill: $primary;
        }
    }
}

@media(max-width: $breakpoint0) {
    .nav-label {
        display: none;
    }

    .nav .nolist {
        display: flex;
    }

    .nav,
    .nav-item {
        flex-grow: 1;
    }

    .nav-link {


    }
}
</style>