table.calculator {
  width: 100%;
  height: 100%;
}

form.calculatorForm {
  width: 85%;
}

table.calculator tr,
table.calculator td {
  display: flex;
  justify-content: space-between;
  width: 100%;
}

#display {
  height: 30px;
  width: 100%;
  text-align: right;
  font-size: 18px;
  color: #35425b;
  width: 100%;
  font-weight: bold;
  border: none !important;
  box-shadow: 0px 1px 1px #00000021;
  margin-bottom: 13px;
}

.btnOpS,
.btnOpB,
.btnC {
  border-radius: 50%;
}
.btnMath,
.btnNum,
.btnOpB,
.btnOpS,
.btnC {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: auto;
  width: 30px;
  height: 30px;
  background-color: #ffff;
  border: none !important;
  margin-bottom: 5px;
  color: #646464 !important;
  font-size: 14px;
}

.btnOpS,
.btnC {
  color: #35425b !important;
  background-color: #d7e1ea !important;
}
.btnOpB {
  color: #ffff !important;
  background-color: #72809d !important;
}

.btnC {
  font-weight: bold;
}

/*input {
  cursor: pointer;
}

input#display {
  cursor: auto;
}*/