* {
  padding: 0;
  border: 0;
  margin: 0;  
  box-sizing: border-box;
  font-family: Inter, "Helvetica Neue", Helvetica, Arial, sans-serif;
}

body {
  background-color: #1e1e1e;
  width: 100vw;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

h1 {
  color: #e9e9ce;
  padding: 48px;
}

.calculator-container {
  border: solid 2px #e9e9ce;
  border-radius: 8px;
  width: 375px;
}

.calculator-container > div {
  width: auto;
}

.calculator-display {
  font-size: 36px;
  padding: 12px;
  margin: 12px;
  background-color: #e9e9ce;
  text-align: right;
  border: solid 2px #3d3c3c;
  border-radius: 8px;
  display: flex;
  justify-content: right;
  align-items: center;
  
}

.calculator-row {
  padding: 0px 12px;
  display: flex;
  justify-content: space-around;
  gap: 12px;
  margin: 12px 0;
}

.calculator-row > button {
  font-size: 28px;
  flex: 1 0 auto;
  width: 20%;
  height: 60px;
  margin: auto 0px;
  border: 2px solid #3d3c3c;
  border-radius: 8px;
  background-color: #dadad2b2;
}

.calculator-row > button:active {
  transform: scale(0.97);
  background-color: #cccccc80;
}

.calculator-row > button.operator {
  background-color: #f7c745;
}

.calculator-row > button.operator:active {
  background-color: #9b8548;
}

#clear-button {
  background-color: #c55a5a;
}

#clear-button:active {
  background-color: #a36c6c;
}