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

body {
  width: 100%;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: "Quicksand", sans-serif;
  font-size: 42px;
  background: #f7f7f7;
}

span {
  margin: 0 15px;
  line-height: 0.7;
  text-shadow: 0 0 2px rgba(0, 0, 0, 0.45);
  animation: span 3s ease-in infinite alternate;
}

.main {
  display: flex;
  justify-content: center;
  align-items: flex-start;
}
@media (max-width: 600px) {
  .main {
    transform: scale(0.65);
  }
}

.letter {
  display: inline-flex;
  height: 30px;
  width: 27px;
  /* border: 2.5px solid #FF1EAD; */
  border: 2.35px solid black;
  border-radius: 14px;
  box-shadow: 0 0 2px rgba(0, 0, 0, 0.75), inset 0 0 2px rgba(0, 0, 0, 0.45);
  animation: letter 3s ease-in-out infinite alternate;
}

@keyframes span {
  0%, 30% {
    margin: 0 15px;
  }
  70%, 100% {
    margin: 0 5px;
  }
}
@keyframes letter {
  0%, 30% {
    width: 27px;
  }
  70%, 100% {
    width: 30vw;
  }
}