* {
}

body {
  background-color: azure;
  font-family: "Lucida Sans", "Lucida Sans Regular", "Lucida Grande",
    "Lucida Sans Unicode", Geneva, Verdana, sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.container {
  text-align: center;
  padding: 20px;
}

h1 {
  font-size: 3rem;
}
#value {
  font-size: 4rem;
  font-weight: bold;
}

.btn {
  font-size: 1.5rem;
  padding: 0.5rem 1rem;
  margin-right: 1rem;
  margin-top: 1rem;
  border-radius: 0.5rem;
  cursor: pointer;
  background: transparent;
  color: black;
  border: 2px solid navy;
  box-shadow: 0px 0px 10px 0px rgba(0, 0, 0, 0.5);
}