Fullscreen Menu With Automatic Background Switching

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License: MIT
   
Fullscreen Menu With Automatic Background Switching

A modern fullscreen navigation with automatic background switching, written in jQuery and CSS/CSS3.

As the user hovers their cursor over each menu item, the background image will smoothly transition to a new image, providing a dynamic and engaging experience for the user. 

How to use it:

1. Add a menu list and background images to the page.

<!-- Wrapper -->
<div class="wrapp">
  <!-- BG Images -->
  <div class="menu-img">
    <img id="1-bg__img" src="1.jpg" alt="1">
    <img id="2-bg__img" src="2.jpg" alt="2">
    <img id="3-bg__img" src="3.jpg" alt="3">
      ...
  </div>
  <!-- Menu Items -->
  <ul class="menu">
    <li class="menu__item" data-id="1">
      <a href="#" class="menu__link">jQuery</a>
    </li>
    <li class="menu__item" data-id="2">
      <a href="#" class="menu__link">Script</a>
    </li>
    <li class="menu__item" data-id="3">
      <a href="#" class="menu__link">Net</a>
    </li>
    ...
  </ul>
</div>

2. The necessary CSS styles for the fullscreen navigation. Feel free to override the default CSS variables to create your own styles.

:root {
  --pr-color: #fff;
  --second-color: #0a0a0a;
  --cubicbz: cubic-bezier(.9, 0, .1, 1);
}

* {
  box-sizing: border-box;
  font-weight: 800;
  margin: 0;
  padding: 0;
}

body {
  background: var(--second-color);
}

.wrapp {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  z-index: 1;
}

.menu-img {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  opacity: .4;
  filter: blur(6px);
  overflow: hidden;
  transform: scale(1.1);
}

.menu-img img {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
  top: 0;
  left: 0;
  transition: .8s var(--cubicbz);
  transform: scale(1.2);
  clip-path: polygon(0 0, 0 0, 0 100%, 0 100%);
}

.menu-img img.active {
  transform: scale(1);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
}

.menu__item {
  position: relative;
  list-style: none;
}

.menu__item+.menu__item {
  margin-top: 60px;
}

.menu__item::before {
  position: absolute;
  content: '';
  width: 60px;
  height: 60px;
  top: 50%;
  left: 0;
  transform: translate(-80px, -50%) rotate(225deg);
  opacity: 0;
  background: url(../img/arrow.svg);
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center center;
  will-change: transform;
  transition: .8s var(--cubicbz);
}

.menu__link {
  position: relative;
  display: block;
  text-transform: uppercase;
  font-size: 75px;
  line-height: .8;
  text-decoration: none;
  color: transparent;
  -webkit-text-stroke: 1px var(--pr-color);
  z-index: 2;
  transition: .8s var(--cubicbz);
}

.menu__item:hover .menu__link {
  transform: translateX(80px);
  color: var(--pr-color);
  -webkit-text-stroke: 1px transparent;
}

.menu__item:hover::before {
  opacity: 1;
  transform: translate(0%, -50%) rotate(180deg);
}

3. Insert the latest jQuery library (slim build) into the document.

<script src="/path/to/cdn/jquery.slim.min.js"></script>

4. Switch between background images when hovering over menu items.

$('.menu__item').on("mouseenter", function () {
  let id = $(this).data('id');
  $('#' + id + '-bg__img').addClass('active');
});
$('.menu__item').on("mouseleave", function () {
  $('.menu-img img').removeClass('active');
});

This awesome jQuery plugin is developed by DmitriNaumov. For more Advanced Usages, please check the demo page or visit the official website.