* {
  margin: 0;
  padding: 0;
  background-color: #23252e;
}
.main-container {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 10%;
}
.calc-body {
  width: 275px;
  height: 400px;
  box-shadow: 0 8px 50px -7px black;
  background: #3a4655;
  border: #3a4655 1px solid;
}
.calc-screen {
  padding: 1rem;
}
#calc-operation {
  font-size: 1.3rem;
  text-align: right;
  color: #727b86;
  padding-bottom: 0.5rem;
}
#calc-typed {
  font-size: 2rem;
  text-align: right;
  color: #fff;
}
/*Calculator Buttons*/
.calc-button-row {
  display: table;
}
.calc-button-row button {
  display: table-cell;
  width: 25%;
  background: #292d36;
  color: #fff;
  height: 65px;
  font-size: 1.3rem;
  border: none;
  border-color: #3c4857;
  border-width: 1px 1px 0px 0;
  border-style: solid;
}
.calc-button-row button.ac {
  color: #ff7665;
}
.calc-button-row button.opt {
  color: #ffbc56;
}

.calc-button-row button:nth-child(4n) {
  border-right: none;
}
.calc-button-row button:active {
  position: relative;
  top: 1px;
}
.calc-button-row button:hover {
  background: #3e4b5c;
}

.history-panel {
  width: 225px;
  height: 400px;
  background: #3a4655;
  /* border-left: 1px solid gray; */
  position: relative;
}

.history-head {
  color: #fff;
  font-family: sans-serif;
  font-size: 12px;
  margin-left: 160px;
  margin-top: 20px;
  background-color: #3a4655;
}

.history-container {
  background-color: transparent;
  width: 225px;
  height: 320px;
  margin-top: 10px;
  display: grid;
  align-items: center;
}
.textfield {
  background-color: transparent;
  border: none;
  width: 100%;
  height: 70px;
  border-bottom: 1px solid gray;
  color: darkgray;
  font-size: 23px;
  font-weight: 600;
  text-align: right;
  font-family: sans-serif;
}

.material-symbols-sharp {
  color: #fff;
  background-color: transparent;
  font-weight: 600;
  position: absolute;
  top: 15px;
  right: 70px;
}