<nav>
  <a href="#">
    <i class="fas fa-home"></i>
    <b>home</b>
  </a>
  <a href="#">
    <i class="far fa-credit-card"></i>
    <b>cards</b>
  </a>
  <a href="#">
    <i class="fas fa-award"></i>
    <b>lifestyle</b>
  </a>
  <span></span>
</nav>

<!-- <a href="https://www.youtube.com/channel/UC7hSS_eujjZOEQrjsda76gA/videos" target="_blank" id="ytd-url">My YouTube Channel</a> -->

body {
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0;
}

nav {
  position: relative;
  display: block;
  background-color: #f6f9ff;
  padding: 10px;
  border-radius: 40px;
  transform: scale(1.8);
  overflow: hidden;
}

nav a {
  position: relative;
  text-decoration: none;
  color: #53588b;
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  font-size: 12px;
  line-height: 1;
  text-align: center;
  display: inline-block;
  width: 100px;
  padding: 10px;
  box-sizing: border-box;
  z-index: 2;
}

nav a b {
  position: relative;
  top: 40px;
  transition: 0.3s ease top;
}

nav a i {
  position: relative;
  left: 25%;
  transition: 0.3s ease left;
}

nav span {
  position: absolute;
  width: 100px;
  background-color: #e5eeff;
  top: 10px;
  bottom: 10px;
  left: 10px;
  border-radius: 50px;
  z-index: 1;
  transition: 0.3s ease left;
}

nav a:hover b {
  top: 0;
}

nav a:hover i {
  left: 0;
}

nav a:nth-child(1):hover ~ span {
  left: 10px;
}

nav a:nth-child(2):hover ~ span {
  left: 114px;
}

nav a:nth-child(3):hover ~ span {
  left: 218px;
}

#ytd-url {
  display: block;
  position: fixed;
  right: 0;
  bottom: 0;
  padding: 10px 14px;
  margin: 20px;
  color: #fff;
  font-family: Arial;
  font-size: 14px;
  text-decoration: none;
  background-color: #53588b;
  border-radius: 4px;
  box-shadow: 0 10px 20px -5px rgba(83, 88, 139, 0.3);
  z-index: 125;
}