@import url("https://fonts.googleapis.com/css2?family=Open+Sans:ital,wght@0,300..800;1,300..800&display=swap");
* {
  margin: 0;
  box-sizing: border-box;
  font-family: "Open Sans", sans-serif;
}

body {
  font-size: 16px;
  margin: 0;
  background: #0276ac;
  color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}
.age-calc {
  /* width: 60vw; */
  width: 900px;
  padding: 8px;
  background-color: #fff;
  color: #000000;
  border-radius: 15px;
  -webkit-border-radius: 15px;
  -moz-border-radius: 15px;
  -ms-border-radius: 15px;
  -o-border-radius: 15px;
  font-weight: 700;
  text-align: center;
}
/* my */
h1 {
  font-size: 2.5rem;
  margin-bottom: 8px;
}

hr {
  margin-left: 25%;
  margin-right: 25%;
}

.age-calc label {
  display: block;
  font-size: 1.5rem;
  margin-bottom: 5px;
}

.age-calc input {
  padding: 10px;
  /* width: 40vw; */
  width: 500px;
  border: 2px solid #120546;
  border-radius: 8px;
  -webkit-border-radius: 8px;
  -moz-border-radius: 8px;
  -ms-border-radius: 8px;
  -o-border-radius: 8px;
  font-size: 22px;
  margin-bottom: 15px;
}

.age-calc button {
  padding: 10px;
  width: 200px;
  background-color: #120546;
  color: #fff;
  font-size: 22px;
  border: none;
  margin: 8px;
  border-radius: 20px;
  -webkit-border-radius: 20px;
  -moz-border-radius: 20px;
  -ms-border-radius: 20px;
  -o-border-radius: 20px;
  cursor: pointer;
}

#disBlock {
  background-color: #120546;
  color: #fff;
  padding: 10px;
  font-size: 22px;
  border-radius: 8px;
  -webkit-border-radius: 8px;
  -moz-border-radius: 8px;
  -ms-border-radius: 8px;
  -o-border-radius: 8px;
  max-width: 500px;
  margin: 0 auto 15px;
}

/* Responsive tweaks */
@media (max-width: 950px) {
  .age-calc {
    width: 90%;
    padding: 10px;
  }

  .age-calc input {
    width: 100%;
    font-size: 18px;
  }

  .age-calc button {
    width: 100%;
    font-size: 18px;
  }

  #disBlock {
    max-width: 100%;
    font-size: 18px;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 2.5rem;
  }

  .age-calc label {
    font-size: 1.2rem;
  }

  .age-calc input,
  .age-calc button,
  #disBlock {
    font-size: 16px;
  }
}