styles.css

* {
  margin: 0;
  padding: 0;
}

body {
  font-family: Arial, sans-serif;
  background-color: #f0f0f0;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.calculator {
  width: 320px;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
  background-color: #fff;
}

.display-box {
  border: 1px solid #ccc;
  border-radius: 5px;
  padding: 10px;
  margin-bottom: 10px;
}

.display {
  width: 100%;
  height: 40px;
  font-size: 24px;
  text-align: right;
  border: none;
  border-radius: 5px;
  padding: 5px;
}

.button-row {
  display: flex;
}

.button {
  flex: 1;
  margin: 5px;
  font-size: 18px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  background-color: #f0f0f0;
}

.button:hover {
  background-color: #e0e0e0;
}

.function-button {
  background-color: #f9c3c6;
}

.arithmetic-button {
  background-color: #bbe3c2;
}

.scientific-button {
  background-color: #aedcf7;
}
.history {
  position: absolute;
  top: 0px;
  right: 0px;
  width: 250px;
  text-align: center;
  display: flex;
  flex-direction: column;
  height: 100vh;
}
.history h2 {
  margin: 0px;
  background-color: salmon;
  padding: 10px;
}

#historyData {
  height: 100%;
  background-color: #daebf4;
  padding-top: 10px;
}
#historyData p {
  margin: 20px;
  padding: 10px;
  font-size: 20px;
  display: flex;
  font-weight: bold;
  border-bottom: 2px black solid;
  cursor: pointer;
}
#historyData p span {
  position: relative;
  font-size: 10px;
  top: -20px;
  color: rebeccapurple;
  font-weight: bold;
  text-align: right;
}