/* Reset default styles */
* {
  font-size: 1.25rem;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Set the body font and background color */
body {
  font-family: Arial, sans-serif;
  background-color: #f1f1f1;
  height: 100vh;
  width: 100vw;
}

body.result {
  width: 300px;
  margin: 0 auto;
  text-align: center;
}

/* Set the main container styles */
main {
  zoom: 2;
  height: 80%;
  width: 90%;
  margin: 5%;
  padding: 20px;
  background-color: #ffffff;
}

/* Set the header styles */
header {
  background-color: #333333;
  color: #ffffff;
  padding: 5vh;
  text-align: center;
  font-size: 200%;
}

/* Set the footer styles */
footer {
  background-color: #333333;
  color: #ffffff;
  padding: 5vh;
  text-align: center;
}

#result-value {
  font-size: 3em;
  font-weight: bold;
  background-color: #c0c0c0;
}

button {
  width: fit-content;
  height: fit-content;
}