@font-face {
  font-family: digital;
  src: url("./assets/digital-7.ttf");
}

.calculator {
  width: 25%;
  margin: 0 auto 0 auto;
  padding: 1%;
  background-color: black;
  border-radius: 5px;
}

.display {
  width: 100%;
  text-align: end;
  font-family: digital;
  color: white;
  font-size: 3rem;
}

.row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.first-row {
  display: grid;
  grid-template-columns: 0.5fr 0.25fr 0.25fr;
}

.last-row {
  display: grid;
  grid-template-columns: 0.5fr 0.5fr;
}

.btn,
.ac-btn,
.zero-btn,
.decimal-btn {
  font-size: 2rem;
  border-radius: 5px;
  display: grid;
  justify-items: center;
  align-items: center;
}

#multiply,
#divide,
#subtract,
#add,
#equals {
  background-color: orange;
}

.btn,
.zero-btn,
.decimal-btn {
  background-color: #414141;
  color: white;
}

.ac-btn {
  background-color: rgb(180, 180, 180);
}

footer {
  text-align: center;
  margin-top: 5%;
  font-family: Arial, Helvetica, sans-serif;
}

.credits {
  font-family: digital;
}