html {
  height: 100%;
}
@media screen and (min-width: 800px) {
body {
  min-height: 100%;
  height: auto;
  font-family: "Lexend Exa";
  font-size: 3rem;
  color: whitesmoke;
  background: #D2A497;
  display: flex;
}
body .name {
  display: flex;
  margin: auto;
  padding: 0 1rem 1rem;
  position: relative;
}
body .name:before {
  content: "";
  width: 100%;
  background: whitesmoke;
  opacity: 0.3;
  bottom: 0;
  height: 1px;
  left: 0;
  position: absolute;
}
body .name .letter {
  display: inline-block;
  opacity: 0;
  transform: scale(0.9);
}
}

@media screen and (max-width: 800px) {
  body {
    min-height: 100%;
    height: auto;
    font-family: "Lexend Exa";
    font-size: 1.5rem;
    color: whitesmoke;
    background: #D2A497;
    display: flex;
  }
  body .name {
    display: flex;
    margin: auto;
    padding: 0 1rem 1rem;
    position: relative;
  }
  body .name:before {
    content: "";
    width: 100%;
    background: whitesmoke;
    opacity: 0.3;
    bottom: 0;
    height: 1px;
    left: 0;
    position: absolute;
  }
  body .name .letter {
    display: inline-block;
    opacity: 0;
    transform: scale(0.9);
  }
}