@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,500;0,600;0,700;1,400&family=Poppins&family=Roboto+Condensed&family=Roboto:wght@100&display=swap');

body {
  margin: 0;
  padding: 0;
  background: linear-gradient(to top, #7808f0, #06bdf5);
  font-family: 'Poppins', sans-serif;
}

.calci {
  max-width: 400px;
  padding-top: 70px;
  padding-bottom: 100px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: 0.25px;
  text-align: center;
}

#display {
  border: none;
  background: white;
  border-radius: 30px;
  width: 245;
  font-size: 20;
  font-weight: 300;
  height: 60;
  margin: 10;
  border: 2px solid white;
  color: black;
}

.btnDesign {
  width: 55;
  height: 55;
  background: white;
  border: none;
  font-size: 20;
  font-weight: 300;
  border-radius: 30px;
  margin-bottom: 3px;
}

.operatorDesign {
  width: 55;
  height: 55;
  background: white;
  font-size: 55;
  padding-top: -1;
  border: none;
  font-size: 20;
  font-weight: 300;
  border-radius: 30px;
  margin: 1.5;
  transition: 00.25px;
  cursor: pointer;
}

.operatorDesign:hover {
  background: color #00d9ff;
}

#zero {
  width: 116;
  height: 55;
  font-size: 55;
  padding-top: -1;
  border: none;
  font-size: 20;
  font-weight: 300;
  border-radius: 30px;
  margin: 1.5;
  background: white;
}

h1 {
  margin-top: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-transform: uppercase;
  font-size: 50px;
  text-decoration: underline;
}

@media (max-width: 580px) {
  h1 {
    font-size: 40px;
    margin-left: 50px;
  }
}