<nav class="menu js-menu-items-wrapper">
  <ol class="js-menu-items-list">
    <li class="menu-item js-menu-item is-active" data-morph="M 418.1,159.8 C 460.9,222.9 497,321.5 452.4,383.4 417.2,432.4 371.2,405.6 271.3,420.3 137.2,440 90.45,500.6 42.16,442.8 -9.572,381 86.33,289.1 117.7,215.5 144.3,153.4 145.7,54.21 212.7,36.25 290.3,15.36 373.9,94.6 418.1,159.8 Z"><a href="#0">Home</a></li>
    <li class="menu-item js-menu-item" data-morph="M 402.7,215.5 C 433.9,280.4 488.1,367.2 447.7,426.8 410.1,482.2 316.7,460.2 249.7,460.6 182.8,461.1 88.08,485.5 51.26,429.5 10.29,367.3 73.19,279.4 106.9,213 141.8,144 176.6,33.65 253.9,33.7 332.2,33.75 368.8,144.9 402.7,215.5 Z"><a href="#0">About</a></li>
    <li class="menu-item js-menu-item" data-morph="M 451.5,185.8 C 441.5,266.2 339.6,305 272.3,350.2 207.7,393.6 226.7,444.7 182.6,447.9 132.8,451.4 83.97,399.9 66.37,353.1 34.6,268.4 41.16,141.8 112,85.44 186.1,26.329999999999984 313.8,54.099999999999994 396,101.4 425.2,118.2 455.6,152.4 451.5,185.8 Z">
      <a href="#0">Widgets</a>
      <ol class="sub-menu">
        <li class="menu-item"><a href="#0">Big Widgets</a></li>
        <li class="menu-item"><a href="#0">Bigger Widgets</a></li>
        <li class="menu-item"><a href="#0">Huge Widgets</a></li>
      </ol>
    </li>
    <li class="menu-item js-menu-item" data-morph="M 378.1,121.2 C 408.4,150 417.2,197.9 411,245.8 404.8,293.7 383.5,341.7 353.4,370.7 303.2,419.1 198.7,427.7 144.5,383.8 86.18,336.5 67.13,221.3 111.9,161 138.6,125 188.9,99.62 240.7,90.92 292.4,82.24 345.6,90.32 378.1,121.2 Z">
      <a href="#0">Kabobs</a>
      <ol class="sub-menu">
        <li class="menu-item"><a href="#0">Shishkabobs</a></li>
        <li class="menu-item"><a href="#0">BBQ kabobs</a></li>
        <li class="menu-item"><a href="#0">Summer kabobs</a></li>
      </ol>
    </li>
    <li class="menu-item js-menu-item" data-morph="M 189,80.37 C 232.6,46.67 352.5,67.06 350.9,124.1 349.5,173.4 311.7,168 312.4,248.1 312.9,301.1 382.5,319.2 368.5,379.1 349.4,460.6 137.7,467.5 117.6,386.3 98.68,309.7 171.5,292.2 183.6,240.1 195.7,188.2 123.8,130.7 189,80.37 Z"><a href="#0">Contact</a></li>
  </ol>
  <div class="menu-shape js-shape">
    <svg id="circle" viewBox="0 0 500 500">
                      <defs>
                <linearGradient id="main-gradient" x1="0%" y1="0%" x2="100%" y2="0%">
                    <stop offset="10%" style="stop-color:#6426CB;"/>
                    <stop offset="100%" style="stop-color:#F34EA4;"/>
                </linearGradient>
            </defs>
                    <path id="object" class="js-items-shape-path" fill="url(#main-gradient)"
                          d="M 418.1,159.8 C 460.9,222.9 497,321.5 452.4,383.4 417.2,432.4 371.2,405.6 271.3,420.3 137.2,440 90.45,500.6 42.16,442.8 -9.572,381 86.33,289.1 117.7,215.5 144.3,153.4 145.7,54.21 212.7,36.25 290.3,15.36 373.9,94.6 418.1,159.8 Z"></path>
                </svg>
  </div>
</nav>

<p class="info js-info">Please refresh your page...</p>

<div class="link">
  <a href="https://codepen.io/microfront/pens/public/" target="_blank">   <span class="fa fa-codepen"></span>my other Pens</a>
</div>
body {
  font-family: "Montserrat", sans-serif;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #000;
                   @media only screen and (max-width: 800px) {
        justify-content: left;
                     padding-left:50px;
  }
}
* {
  outline: none;
  -webkit-tap-highlight-color: rgba(255, 255, 255, 0);
}

*,
:after,
:before {
  box-sizing: border-box;
}

.menu {
  position: relative;
  padding: 30px 0;
  > ol {
    display: flex;
  @media only screen and (max-width: 800px) {
    display: block;
  }
    > .menu-item {
      display: inline-block;
      position: relative;
       @media only screen and (max-width: 800px) {
    display: block;
  }
      &:hover {
        .sub-menu {
          opacity: 1;
          li {
            @for $i from 1 through 3 {
              &:nth-child(#{$i}) {
                animation-name: subMenuAnimation;
                animation-duration: 300ms;
                animation-delay: (100ms * $i);
                animation-timing-function: ease-in-out;
                animation-fill-mode: forwards;
              }
            }
          }
        }
      }
      > a {
        color: #fff;
        text-decoration: none;
        font-size: 2.5vw;
        font-weight: 700;
        letter-spacing: 1px;
        margin: 0 25px;
        display: block;
         @media only screen and (max-width: 800px) {
    margin: 30px 0;
           font-size:30px;
  }
      }
      .sub-menu {
        padding: 28px 25px 0;
        position: absolute;
        left: 0;
        opacity: 0;
                 @media only screen and (max-width: 800px) {
        left: 100%;
    top: -32px;
  }
 
        li {
          opacity: 0;
          a {
            color: #fff;
            text-decoration: none;
            font-size: 1vw;
            font-weight: 400;
            letter-spacing: 1px;
            margin: 12px 0;
            display: block;
            white-space: nowrap;
            text-transform: uppercase;
            transition: color 0.3s cubic-bezier(0.13, 1.07, 0.84, 1);
              @media only screen and (max-width: 1080px) {
    font-size:13px;
  }
            &:hover {
              color: #f34ea4;
            }
          }
        }
      }
    }
  }
  .menu-shape {
    position: absolute;
    left: -62px;
    top: -55px;
    z-index: -1;
      @media only screen and (max-width: 1440px) {
    left: -32px; 
  }
  @media only screen and (max-width: 1180px) {
    left: -15px; 
    top: -62px;
  }
  @media only screen and (max-width: 800px) {
    left: -35px; 
  }
    svg {
      position: relative;
      display: block;
    width: 10vw;
    height: 10vh;
      min-height: 150px;
      margin: 0 auto;
        @media only screen and (max-width: 800px) {
    width: 80px;
    height: 80px;
  }
    }
  }
}

@keyframes subMenuAnimation {
  0% {
    opacity: 0;
    transform: translateX(-30px);
    //filter: blur(5px);
  }
  100% {
    opacity: 1;
    transform: translateX(0px);
  }
}


.info{
  position:absolute;
  left:0;
  bottom:0;
  color:#fff;
  text-align:center;
  width:100%;
  padding-bottom:30px;
  font-size:20px;
  display:none;
}

.link {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 20px;
  z-index: 9999;
  a {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: #fff;
  }
  .fa {
    font-size: 28px;
    margin-right: 8px;
    color: #fff;
  }
}
View Compiled
function hoverAnimation() {
  var menuItemsShape = $(".js-shape"),
    linksWrapper = $(".js-menu-items-wrapper"),
    linksItems = $(".js-menu-item"),
    activeItem = $(".js-menu-item.is-active"),
    activeItemPosition = activeItem.position().top,
    menuItemsShapePath = $(".js-items-shape-path"),
      info = $(".js-info");

  TweenMax.set(menuItemsShape, {
    y: activeItemPosition
  });

  linksItems.on({
    mouseenter: function() {
      _self = $(this);
      var selfParent = _self.closest(linksWrapper),
        targetCircle = selfParent.find(menuItemsShape),
        circlePosition;

      if ($(window).width() < 800) {
        circlePosition = _self.position().top;
        TweenMax.to(targetCircle, 0.6, {
          y: circlePosition,
          ease: Power2.easeOut
        });
      } else {
        circlePosition = _self.position().left;
        TweenMax.to(targetCircle, 0.6, {
          x: circlePosition,
          ease: Power2.easeOut
        });
      }

      TweenMax.to(menuItemsShapePath, 1, { morphSVG: this.dataset.morph });
    }
  });

  linksWrapper.on({
    mouseleave: function() {
      _self = $(this);
      var selfParent = _self.closest(linksWrapper),
        activeLink = selfParent.find(activeItem),
        targetCircle = selfParent.find(menuItemsShape),
        activeLinkPosition = activeLink.position().top;

            if ($(window).width() < 800) {
       TweenMax.to(targetCircle, 0.6, {
        y: activeLinkPosition,
        ease: Power2.easeOut
      });
      } else {
       TweenMax.to(targetCircle, 0.6, {
        x: activeLinkPosition - 32,
        ease: Power2.easeOut
      });
      }

      TweenMax.to(menuItemsShapePath, 1, { morphSVG: menuItemsShapePath });
    }
  });
  
  $(window).resize(function() {
    info.show();
  });
}

hoverAnimation();
Run Pen

External CSS

  1. https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.5.0/css/font-awesome.min.css

External JavaScript

  1. https://cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js
  2. https://cdnjs.cloudflare.com/ajax/libs/gsap/1.19.0/TweenMax.min.js
  3. https://s3-us-west-2.amazonaws.com/s.cdpn.io/16327/MorphSVGPlugin.min.js