* {
  margin: 0px;
  padding: 0px;
}

body {
  box-sizing: border-box;
  display: flex;
  justify-content: center;
  align-items: center;
  width: auto;
  height: 90vh;
  font-weight: 700;
  font-size: 10vw;
  font-family:
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    Oxygen,
    Ubuntu,
    Cantarell,
    "Open Sans",
    "Helvetica Neue",
    sans-serif;
  transition: 1s;
}

.all {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  width: 72vw;
  height: 25vh;
  top: 5vh;
}

.all span {
  position: absolute;
}

.all span:nth-child(1) {
  background-clip: text;
  color: rgba(2, 18, 255, 0.2);
  left: 1vw;
  top: -1vh;
  width: 72vw;
  height: 25vh;
}

.all span:nth-child(2) {
  opacity: 0.5;
  background-color: blue;
  background-clip: text;
  left: 1vw;
  top: -1vh;
  color: rgba(2, 18, 255, 0.2);
  width: 0vw;
  height: 25vh;
  transition: 1s;
}

.all:hover span:nth-child(2) {
  width: 75vw;
  opacity: 1;
}