@import url("https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;700&display=swap");

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Roboto", sans-serif;
}

nav {
  height: 70px;
  width: 100%;
  background-color: #333;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0px 30px;
}

a {
  color: #a0a0a0;
  text-decoration: none;
  letter-spacing: 1px;
  position: relative;
}

a::after {
  content: '';
  position: absolute;
  bottom: -7px;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: yellowgreen;
  transition: all 0.5s;
}

a:hover {
  color: #fff;
  transition: 0.2s;
}

a:hover::after {
  width: 100%;
}