body {
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
  background: linear-gradient(to right, #232526, #414345);
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
}

h1 {
  font-size: 2rem;
  margin-bottom: 50px;
  color: #f9c74f;
}
button{
    margin-top: 30px;
    padding: 10px;
    width: 20vh;
    background-color: rgb(252, 252, 139);
    color:rgb(31, 30, 30);
    border-radius: 10px;
    box-shadow: #d2f35c;
}

#result {
  font-size: 80px;
  background: #d2f35c;
  padding: 30px;
  border-radius: 15px;
  margin-bottom: 20px;
  box-shadow: 0px  4px 10px rgba(252, 251, 251, 0.932);
}