@import url("https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap");
* {
  box-sizing: border-box;
  font-family: "Roboto", sans-serif;
  margin: 0;
  padding: 0;
}
.container {
  background: #ffbdc9;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100vh;
}

nav {
  background: #fff;
  border-radius: 50px;
  padding: 10px;
  box-shadow: 0 25px 20px -20px rgba(0, 0, 0, 0.4);
}

nav ul li {
  display: inline-block;
  list-style: none;
  padding: 13px 35px;
  margin: 10px;
  font-size: 18px;
  font-weight: 500;
  color: #777;
  cursor: pointer;
  position: relative;
  z-index: 2;
  transition: color 0.5s ease-in-out;
}

nav ul li::after {
  content: "";
  background: #f44566;
  width: 100%;
  height: 100%;
  border-radius: 30px;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: -1;
  opacity: 0;
  transition: top 0.5s ease-out, opacity 0.5s ease-out ;
}

nav ul li:hover {
  color: #fff;
}
nav ul li:hover::after {
  top: 50%;
  opacity: 1;
}