@import url("https://fonts.googleapis.com/css?family=Poppins&display=swap");
html {
  background: url(../img/1.jpg);
  background-size: 160px 400px;
  margin: 0;
  padding: 0;
  font-family: Poppins, sans-serif;
  box-sizing: border-box;
}

nav {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 97vw;
  margin: 0;
  padding: 0;
  box-sizing: content-box;
}
nav:after {
  color: white;
  position: fixed;
  bottom: 0;
  z-index: -5;
}

nav > ul {
  display: flex;
}

nav > ul > li {
  width: 150px;
  height: 150px;
  position: relative;
  border-radius: 50%;
  list-style-type: none;
  background: white;
  animation: move 35s linear infinite;
  cursor: pointer;
  margin-bottom: 75px;
  transition: .5s all;
}
nav > ul > li:nth-child(1) {
  background: url(../img/2.jpg);
  box-shadow: inset -10px -10px 40px rgba(52, 115, 105, 0.5), 0 0 60px -20px rgba(131, 191, 103, 0.72), -10px -10px 40px -10px rgba(131, 191, 103, 0.23);
}
nav > ul > li:nth-child(1):after {
  content: "";
  background: url(../img/1.jpg);
  width: 150px;
  height: 150px;
  position: absolute;
  border-radius: 50%;
  animation: move 30s infinite linear;
  opacity: 0.4;
}
nav > ul > li:nth-child(2) {
  background: url(../img/3.jpg);
  box-shadow: inset -10px -10px 40px rgba(194, 104, 48, 0.5), 0 0 60px -20px rgba(194, 104, 48, 0.72), -10px -10px 40px -10px rgba(194, 104, 48, 0.23);
}
nav > ul > li:nth-child(3) {
  background: url(../img/4.jpg);
  box-shadow: inset -10px -10px 40px rgba(255, 183, 138, 0.5), 0 0 60px -20px rgba(255, 183, 138, 0.72), -10px -10px 40px -10px rgba(255, 183, 138, 0.23);
}
nav > ul > li:nth-child(4) {
  background: url(../img/5.jpg);
  box-shadow: inset -10px -10px 40px rgba(255, 209, 181, 0.5), 0 0 60px -20px rgba(255, 209, 181, 0.72), -10px -10px 40px -10px rgba(255, 209, 181, 0.23);
}
nav > ul > li:nth-child(5) {
  background: url(../img/6.jpg);
  box-shadow: inset -10px -10px 40px rgba(120, 253, 255, 0.5), 0 0 60px -20px rgba(120, 253, 255, 0.72), -10px -10px 40px -10px rgba(120, 253, 255, 0.23);
}
nav > ul > li:hover {
  transform: scale(1.2);
  margin: 0px 50px;
}
nav > ul > li:hover a {
  color: white;
}
nav > ul > li > a {
  color: white;
  z-index: 10;
  text-decoration: inherit;
  position: absolute;
  bottom: -50px;
  font-size: 30px;
  left: 50%;
  transform: translateX(-25%) rotateZ(60deg);
}

li > ul {
  position: absolute;
  transform: rotateZ(60deg);
  bottom: -150px;
  right: -110px;
  width: 300px;
}
li > ul > li {
  list-style-type: none;
  position: relative;
  display: flex;
}
li > ul > li > a {
  color: rgba(255, 255, 255, 0);
  z-index: 10;
  text-decoration: inherit;
  transition: .2s all;
}
li > ul > li > a:hover {
  color: #969696;
}

@keyframes move {
  0% {
    background-position: 0 0;
  }
  100% {
    background-position: -600px 0;
  }
}