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Next.js Lavalamp Header
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.nav { | |
--link-one: 160px; | |
--link-two: 160px; | |
--link-three: 160px; | |
--link-four: 160px; | |
--link-five: 160px; | |
--menu-width: calc(var(--link-one) + var(--link-two) + var(--link-three) + var(--link-four) + var(--link-five)); | |
--link-two-left: var(--link-one); | |
--link-three-left: calc(var(--link-one) + var(--link-two)); | |
--link-four-left: calc(var(--link-one) + var(--link-two) + var(--link-three)); | |
--link-five-left: calc(var(--link-one) + var(--link-two) + var(--link-three) + var(--link-four)); | |
--highlight-color: blue; | |
margin: 27px auto 0; | |
position: relative; | |
height: 50px; | |
width: var(--menu-width); | |
background-color: grey; | |
border-radius: 8px; | |
font-size: 0; | |
} | |
.nav a { | |
line-height: 50px; | |
height: 100%; | |
font-size: 15px; | |
display: inline-block; | |
position: relative; | |
z-index: 1; | |
text-decoration: none; | |
text-transform: uppercase; | |
text-align: center; | |
color: white; | |
cursor: pointer; | |
} | |
.nav a:hover ~ .animation { | |
background-color: var(--highlight-color); | |
} | |
.nav .animation { | |
position: absolute; | |
height: 100%; | |
top: 0; | |
z-index: 0; | |
transition: all 0.5s ease 0s; | |
border-radius: 8px; | |
} | |
.nav a:nth-child(1) { | |
width: var(--link-one); | |
} | |
.nav a:nth-child(2) { | |
width: var(--link-two); | |
} | |
.nav a:nth-child(3) { | |
width: var(--link-three); | |
} | |
.nav a:nth-child(4) { | |
width: var(--link-four); | |
} | |
.nav a:nth-child(5) { | |
width: var(--link-five); | |
} | |
.nav .start0, | |
a:nth-child(1):hover ~ .animation { | |
width: var(--link-one); | |
left: 0; | |
} | |
.nav .start1, | |
a:nth-child(2):hover ~ .animation { | |
width: var(--link-two); | |
left: var(--link-two-left); | |
} | |
.nav .start2, | |
a:nth-child(3):hover ~ .animation { | |
width: var(--link-three); | |
left: var(--link-three-left); | |
} | |
.nav .start3, | |
a:nth-child(4):hover ~ .animation { | |
width: var(--link-four); | |
left: var(--link-four-left); | |
} | |
.nav .start4, | |
a:nth-child(5):hover ~ .animation { | |
width: var(--link-five); | |
left: var(--link-five-left); | |
} | |
.nav .start0, | |
.nav .start1, | |
.nav .start2, | |
.nav .start3, | |
.nav .start4 { | |
background-color: var(--highlight-color); | |
} |
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import cx from "classnames"; | |
import { useRouter } from "next/router"; | |
import Link from "next/link"; | |
import styles from "./Header.module.css"; | |
const MENU_ITEMS = ["/", "/about", "/blog", "/portfolio", "/contact"]; | |
export const Header = () => { | |
const router = useRouter(); | |
return ( | |
<nav className={styles.nav}> | |
<Link href="/">Home</Link> | |
<Link href="/about">About</Link> | |
<Link href="/blog">Blog</Link> | |
<Link href="/links">Links</Link> | |
<Link href="/contact">Contact</Link> | |
<div className={cx(styles.animation, styles[`start${MENU_ITEMS.indexOf(router.pathname)}`])}></div> | |
</nav> | |
); | |
}; |
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