HTMLify

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

body {
    width: 100%;
    height: 100vh;
    background: #673ab7;
    overflow: hidden;
    display: grid;
    place-content: center;
}

nav {
    position: relative;
    border-radius: 10px;
    background: #000;
    box-shadow: 0 6.7px 5.3px rgb(0 0 0 / 12%);
    overflow: hidden;
    color: #fff;
}

nav ul {
    height: 100%;
    display: grid;
    place-items: center;
    grid-template-columns: repeat(5, 1fr);
}

nav ul li {
    list-style: none;
    padding: 28px;
}

nav ul li a {
    cursor: pointer;
    font-size: 20px;
}

nav ul li a i {
    opacity: 0.4;
    transition: opacity 100ms ease;
}

nav ul li a.active i {
    opacity: 1;
}

nav .spotLight {
    position: absolute;
    left: 0px;
    top: 0px;
    transform: translateX(-50%);
    width: 45px;
    height: 5px;
    border-radius: 5px;
    background: #fff;
    transition: left 400ms ease;
    z-index: 10;
}

nav .lightRay {
    position: absolute;
    left: -30%;
    top: 5px;
    width: 160%;
    height: 80px;
    background: linear-gradient(to bottom,
            rgba(255, 255, 255, 0.3) -50%,
            rgba(255, 255, 255, 0) 90%);
    clip-path: polygon(5% 100%, 25% 0px, 75% 0px, 95% 100%);
    pointer-events: none;
}