:root {
  --operator-color: #321fff;
  --text-color: white;
}

body {
  display: flex;
  justify-content: center;
  font-family: Arial, Helvetica, sans-serif;
  overflow: hidden;
}

p {
  font-size: 21.6px;
}

#input {
  text-align: right;
  min-width: 307.2px;
  min-height: 64.8px;
  font-size: 68px;
  font-family: "Calculator", sans-serif;
  letter-spacing: 3.84px;
  box-shadow: 1px 1px 2px 2px;
}

#operation-field-style {
  text-align: right;
  max-width: 153.6px;
  box-shadow: 1px 1px 2px 2px;
  min-height: 37.8px;
}

.parent {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(9, 1fr);
  grid-column-gap: 0px;
  grid-row-gap: 0px;
  background-color: #5e88a0;
  width: 307.2px;
  height: 648px;
  padding: 64.8px;
  margin-top: 108px;
  border-radius: 30px;
  box-shadow: 0px 0px 2px 2px;
}

#input-field {
  grid-area: 1 / 1 / 4 / 5;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(2, 1fr);
  grid-column-gap: 0px;
  grid-row-gap: 0px;
}

#calculator {
  grid-area: 4 / 1 / 10 / 5;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(6, 1fr);
  grid-column-gap: 0px;
  grid-row-gap: 0px;
}

button {
  font-size: 19.2px;
  font-family: Arial, Helvetica, sans-serif;
  margin: 2px;
  box-shadow: 2px 2px 2px;
  width: 76.8px;
}

#operation-field {
  grid-area: 1 / 3 / 2 / 5;
}

#input-field {
  grid-area: 2 / 1 / 4 / 5;
}

#button-zero {
  grid-area: 5 / 2 / 6 / 3;
}

#button-one {
  grid-area: 4 / 1 / 5 / 2;
}

#button-two {
  grid-area: 4 / 2 / 5 / 3;
}

#button-three {
  grid-area: 4 / 3 / 5 / 4;
}

#button-four {
  grid-area: 3 / 1 / 4 / 2;
}

#button-five {
  grid-area: 3 / 2 / 4 / 3;
}

#button-six {
  grid-area: 3 / 3 / 4 / 4;
}

#button-seven {
  grid-area: 2 / 1 / 3 / 2;
}

#button-eight {
  grid-area: 2 / 2 / 3 / 3;
}

#button-nine {
  grid-area: 2 / 3 / 3 / 4;
}

#button-equals {
  grid-area: 6 / 4 / 7 / 5;
  background-color: green;
}

#button-divider {
  grid-area: 5 / 4 / 6 / 5;
  background-color: var(--operator-color);
  color: var(--text-color);
}

#button-multiplier {
  grid-area: 4 / 4 / 5 / 5;
  background-color: var(--operator-color);
  color: var(--text-color);
}

#button-minus {
  grid-area: 3 / 4 / 4 / 5;
  background-color: var(--operator-color);
  color: var(--text-color);
}

#button-plus {
  grid-area: 2 / 4 / 3 / 5;
  background-color: var(--operator-color);
  color: var(--text-color);
  box-shadow: black;
}

#button-delete {
  grid-area: 1 / 4 / 2 / 5;
}

#name-calculator {
  grid-area: 1 / 1 / 2 / 3;
}

#button-dot {
  grid-area: 5 / 1 / 6 / 2;
}

#button-bracket {
  grid-area: 5 / 3 / 6 / 4;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: 1fr;
  grid-column-gap: 0px;
  grid-row-gap: 0px;
}

#button-bracket-open {
  grid-area: 1 / 1 / 2 / 2;
  width: 36.48px;
}

#button-bracket-close {
  grid-area: 1 / 2 / 2 / 3;
  width: 36.48px;
}

#button-pi {
  grid-area: 6 / 1 / 7 / 2;
}

#button-backspace {
  grid-area: 1 / 3 / 2 / 4;
}

@media (max-width: 490px) {
  body {
    zoom: 80%;
  }
}