@import url("https://fonts.googleapis.com/css2?family=Merriweather:wght@300;400;700&display=swap");

* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  font-family: "Merriweather", serif;
}

body {
  background-image: url("marek-piwnicki-MSoJwmGW5_o-unsplash.jpg");
  background-size: cover;
  background-position: center;
  display: flex;
  justify-content: center;
  align-items: center;
}

.calculator {
  width: 20rem;
  height: 30rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.display {
  backdrop-filter: blur(5px);
  background-color: rgba(255, 255, 255, 0.1);
  width: 100%;
  height: 8%;
  border-radius: 5px;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  color: white;
  padding-right: 1rem;
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
  width: 4rem;
  height: 4rem;
  color: white;
}

.c {
  margin-left: 8.5rem;
}