CSS electric navigation menu animation | HTML, CSS & JavaScript

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #000;
    font-family: Arial, sans-serif;
}

/* Navigation */
.navbar {
    display: flex;
    gap: 12px;
    padding: 15px;
    background: #10151f;
    border-radius: 18px;
    box-shadow: 0 10px 40px rgba(0,0,0,.5);
}

.nav-item {
    position: relative;
    padding: 14px 25px;
    color: #aeb7c8;
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    border-radius: 10px;
    overflow: hidden;
    transition: .3s ease;
}

/* Electric border */
.nav-item::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;

background: conic-gradient(
        from 0deg,
        transparent 0deg,
        transparent 300deg,
        #00eaff 330deg,
        #ffffff 345deg,
        #00eaff 355deg,
        transparent 360deg
    );

animation: electric 2s linear infinite;
    opacity: 0;
}

/* Inner background */
.nav-item::after {
    content: "";
    position: absolute;
    inset: 2px;
    background: #10151f;
    border-radius: 8px;
    z-index: 0;
}

/* Text */
.nav-item span {
    position: relative;
    z-index: 2;
}

/* Hover */
.nav-item:hover {
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow:
        0 0 10px #00eaff,
        0 0 25px rgba(0,234,255,.45);
}

.nav-item:hover::before {
    opacity: 1;
}

/* Electric movement */
@keyframes electric {
    from {
        transform: rotate(0deg);
    }

to {
        transform: rotate(360deg);
    }
}

/* Active menu */
.nav-item.active {
    color: #fff;
    background: rgba(0,234,255,.08);
}

.nav-item.active::before {
    opacity: 1;
}

- CSS electric navigation menu animation

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