body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: url("https://images.unsplash.com/photo-1558494949-ef010cbdcc31?q=80&w=3134&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D")
    no-repeat;
  background-position: center;
  background-size: cover;
}
.container {
  text-align: center;
  background: transparent;
  padding: 40px;
  border-radius: 10px;
  backdrop-filter: blur(25px);
  border: 0.5px solid #fff;
}
h1 {
  color: #fff;
}

button {
  background-color: #4caf50;
  color: #fff;
  padding: 10px;
  font-size: 16px;
  cursor: pointer;
  border: 2px solid #fff;
  border-radius: 10px;
  backdrop-filter: blur(15px);
}

#result {
  margin-top: 20px;
  color: #fff;
}
#clear {
  margin: 20px;
  background-color: red;
}