@import url("https://fonts.googleapis.com/css2?family=Noto+Serif:ital,wght@0,100..900;1,100..900&display=swap");

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Noto Serif", serif;
}
.wrapper {
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  flex-direction: column;
  padding: 20px;
  position: relative;
  transition: 0.5s ease-in-out;
  -webkit-transition: 0.5s ease-in-out;
}

section {
  width: 100%;
  display: flex;
  justify-content: flex-end;
  align-items: flex-end;
}
.screen {
  flex-direction: column;
  margin-bottom: 20px;
  padding: 0 0 10px;
  border-bottom: 2px solid #f4f4f4;
}

#input {
  flex-flow: row wrap;
  gap: 5px;
}
button {
  width: 24%;
  height: 70px;
  font-size: 40px;
  font-weight: 600;
  outline: none;
  border: none;
  cursor: pointer;
  text-align: center;
  padding: 10px;
  background: transparent;
  border-radius: 10px;
}
button:last-child {
  background: #c98508;
  color: #fff;
}
.operator {
  color: #c98508;
}
#history {
  width: 200px;
  height: 100vh;
  background: #c98508;
  top: 0;
  left: -100%;
  position: fixed;
  transition: 0.5s ease-in-out;
  -webkit-transition: 0.5s ease-in-out;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #fff;
}
#expression {
  font-size: 25px;
}
#history.active {
  left: 0;
}
.wrapper.active {
  transform: translate(100px);
}
#bin {
  position: absolute;
  color: #fff;
  top: 10px;
  right: 10px;
  font-size: 30px;
  cursor: pointer;
}
@media only screen and (max-width: 450px) {
  button {
    width: 23%;
    height: 50px;
    font-size: 25px;
  }
}