style.css

/* @import url('https://fonts.googleapis.com/css2?family=Vujahday+Script&display=swap'); */
* {
  margin: 0%;
  padding: 0%;
}
.container {
  text-align: center;
  margin: 50px 0px 0px 0px;
  /* font-family: 'Vujahday Script', cursive; */
  padding-bottom: 20px;
  font-size: 32px;
}
table {
  margin: auto;
}
input {
  font-size: 33px;
  border: rgb(228, 203, 203) double;
  border-radius: 15px;
  margin: 10px 0px;
  text-align: right;
}
button {
  font-size: 40px;
  height: 57px;
  width: 90px;
  text-align: center;
  margin: 5px;
  /* padding-right: 15px; */
  background-color: rgb(228, 203, 203);
  border-radius: 20px;
  cursor: pointer;
  user-select: none;
}
.calculator {
  background-color: rgb(0, 0, 0);
  border-radius: 15px;

  margin: 0px;
  padding: auto;
  border: 5px double rgb(228, 203, 203);
  padding: 20px;
  display: inline-block;
}
footer {
  position: fixed;
  bottom: 0;
  width: 100vw;
  color: white;
  text-align: center;
  background-color: black;
}