Code: Auto Opening Menu on Hover

Menus should collapse when they are not needed. This is an example of such menus. When a user hovers it, it expands and gets highlighted. When the mouse goes out, it returns to its original form. Hope to be useful.
<!-- this script got from www.cssfreecode.com -->
<html lang="en">
<head>
<link rel='stylesheet' href='http://cssfreecode.com/view/files/1142_font.css'>
<style>
      body {
  font-family: 'Raleway', sans-serif;
  background-image: radial-gradient(circle at center, #899Dc4, #495D84);
  background-size: cover;
  background-repeat: no-repeat;
  height: 100vh;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  background: radial-gradient(ellipse at bottom, #1b2735, #090a0f);
  font-weight: 300;
}

.all {
  display: flex;
  -webkit-perspective: 10px;
          perspective: 10px;
  -webkit-transform: perspective(300px) rotateX(20deg);
          transform: perspective(300px) rotateX(20deg);
  will-change: perspective;
  -webkit-perspective-origin: center center;
          perspective-origin: center center;
  transition: all 1.3s ease-out;
  justify-content: center;
  -webkit-transform-style: preserve-3d;
          transform-style: preserve-3d;
}

.all:hover {
  -webkit-perspective: 1000px;
          perspective: 1000px;
  transition: all 1.3s ease-in;
  -webkit-transform: perspective(10000px) rotateX(0deg);
          transform: perspective(10000px) rotateX(0deg);
}
.all:hover .text {
  opacity: 1;
}
.all:hover > div {
  opacity: 1;
  transition-delay: 0s;
}
.all:hover .explainer {
  opacity: 0;
}

.left, .center, .right, .lefter, .righter {
  width: 200px;
  height: 150px;
  -webkit-transform-style: preserve-3d;
          transform-style: preserve-3d;
  border-radius: 10px;
  border: 1px solid #fff;
  box-shadow: 0 0 20px 5px rgba(100, 100, 255, 0.4);
  opacity: 0;
  transition: all .3s ease;
  transition-delay: 1s;
  position: relative;
  background-position: center center;
  background-size: contain;
  background-repeat: no-repeat;
  background-color: #58d;
  cursor: pointer;
  background-blend-mode: color-burn;
}
.left:hover, .center:hover, .right:hover, .lefter:hover, .righter:hover {
  box-shadow: 0 0 30px 10px rgba(100, 100, 255, 0.6);
  background-color: #ccf;
}

.text {
  -webkit-transform: translateY(30px);
          transform: translateY(30px);
  opacity: 0;
  transition: all .3s ease;
  bottom: 0;
  left: 5px;
  position: absolute;
  will-change: transform;
  color: #fff;
  text-shadow: 0 0 5px rgba(100, 100, 255, 0.6);
}

.lefter {
  -webkit-transform: translateX(-60px) translateZ(-50px) rotateY(-10deg);
          transform: translateX(-60px) translateZ(-50px) rotateY(-10deg);
  background-image: url(https://cdn3.iconfinder.com/data/icons/other-icons/48/organization-512.png);
}

.left {
  -webkit-transform: translateX(-30px) translateZ(-25px) rotateY(-5deg);
          transform: translateX(-30px) translateZ(-25px) rotateY(-5deg);
  background-image: url(https://cdn3.iconfinder.com/data/icons/other-icons/48/creative_draw-512.png);
}

.center {
  opacity: 1;
  background-image: url(https://cdn3.iconfinder.com/data/icons/other-icons/48/app_window-512.png);
}

.right {
  -webkit-transform: translateX(30px) translateZ(-25px) rotateY(5deg);
          transform: translateX(30px) translateZ(-25px) rotateY(5deg);
  background-image: url(https://cdn3.iconfinder.com/data/icons/other-icons/48/cloud_weather-512.png);
}

.righter {
  -webkit-transform: translateX(60px) translateZ(-50px) rotateY(10deg);
          transform: translateX(60px) translateZ(-50px) rotateY(10deg);
  background-image: url(https://cdn3.iconfinder.com/data/icons/other-icons/48/search-512.png);
}

.explainer {
  font-weight: 300;
  font-size: 2rem;
  color: #fff;
  transition: all .6s ease;
  width: 100%;
  height: 100%;
  background-color: #303050;
  background-image: radial-gradient(circle at center top, #cce, #33a);
  border-radius: 10px;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
  display: flex;
  justify-content: center;
  align-items: center;
}

.ref {
  background-color: #000;
  background-image: linear-gradient(to bottom, #d80, #c00);
  border-radius: 3px;
  padding: 7px 10px;
  position: absolute;
  font-size: 16px;
  bottom: 10px;
  right: 10px;
  color: #fff;
  text-decoration: none;
  text-shadow: 0 0 3px rgba(0, 0, 0, 0.4);
}
.ref::first-letter {
  font-size: 12px;
}

    </style>
<script>
  window.console = window.console || function(t) {};
</script>
<script>
  if (document.location.search.match(/type=embed/gi)) {
    window.parent.postMessage("resize", "*");
  }
</script>
</head>
<body translate="no">
<div class="all">
<div class="lefter">
<div class="text">Hosting</div>
</div>
<div class="left">
<div class="text">Web Design</div>
</div>
<div class="center">
<div class="explainer"><span>Hover me</span></div>
<div class="text">Frontend Development</div>
</div>
<div class="right">
<div class="text">Backend Development</div>
</div>
<div class="righter">
<div class="text">SEO</div>
</div>
</div>
</body>
</html>
<font face="Tahoma"><a target="_blank" href="http://www.cssfreecode.com/"><span style="font-size: 8pt; text-decoration: none">CSS Free Code</span></a></font>
If you don't know how to use this code or need more information Click here!

	You can leave comments once you sign in/up.
CSS Best Codes

Code: Auto Opening Menu on Hover

You can leave comments once you sign in/up.

Links
