:root {
  --pageBlack: #262626;
  --pageYellow: #fadf72;
  --pagePurple: #552b55;
  --pageRed: #E1332d;
  --pageGreen: #87af9f;
  --grey: #879c9b;
  --lightGreen: #12ac86;
  --pageGrey: #212121;
  --lightBlue: #e6f5ff;
}
body {
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  font-family: sans-serif;
  /* overflow: hidden; */
  background-color: var(--pageGreen);
}
ul {
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  list-style-type: none;
}
ul li a {
  display: block;
  width: 120px;
  height: 40px;
  line-height: 40px;
  text-align: center;
  color: var(--pagePurple);
  text-transform: capitalize;
  text-decoration: none;
  position: relative;
  transition: all .5s;

}
a:hover {
  color: rgb(233, 243, 232);
  font-weight: 200;
  transition-delay: .15s;
}
ul li span {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 25%;
  background-color: var(--pageGrey);
  z-index: -1;
  transform: scaleX(0);
  transition: all 0.5s;
  transform-origin: top;
}
a:hover span {
  transform: scaleX(1);
}
span:nth-child(2) {
  top: 25%;
  transition-delay: .1s;
}
span:nth-child(3) {
  top: 50%;
  transition-delay: .2s;
}
span:nth-child(4) {
  top: 75%;
  transition-delay: .3s;
}