body {
  height: 100vh !important;
  font-family: "Poppins", sans-serif;
  display: grid;
  place-content: center;
}

input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.btn {
  background-color: hsl(259, 100%, 65%);
  transition: background 0.3s ease-in;
}
input:focus {
  box-shadow: none !important;
  border-color: hsl(259, 100%, 65%) !important;
}
.btn:hover {
  background-color: hsl(0, 0%, 8%);
}
.btn:active {
  background-color: hsl(0, 0%, 8%) !important;
}
#age-app {
  padding: 30px;
  width: 90%;
  max-width: 650px;
  box-shadow: rgba(0, 0, 0, 0.35) 0px 5px 15px;
  border-bottom-right-radius: 150px;
  margin-inline: auto;
}
.submit::before {
  content: "";
  width: 100%;
  height: 2px;
  background-color: hsl(0, 1%, 44%);
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
}
.form-group {
  width: 20%;
  margin-bottom: 20px;
}
label {
  color: hsl(0, 1%, 44%);
}

input {
  font-size: 2rem;
  color: hsl(0, 0%, 86%);
}
.form-group h4 {
  font-size: 0.8rem !important;
  font-style: italic;
  color: rgba(220, 53, 69);
  position: absolute;
  top: 110%;
}

.results h2 {
  font-size: 5rem;
}

h2 {
  font-weight: 800;
  font-style: italic;
}
h2 span {
  color: hsl(259, 100%, 65%);
  font-weight: 700;
}

@media (width<575px) {
  :root {
    font-size: 14px;
  }
  #age-app {
    border-bottom-right-radius: 90px;
  }
  .results h2 {
    font-size: 4rem;
  }
  .form-group {
    width: auto;
  }
  .submit {
    text-align: center !important;
    margin-bottom: 20px;
  }
}
@media (width<400px) {
  .results h2 {
    font-size: 3rem;
  }
}