* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  max-width: 500px;
  margin: 0 auto;
}

.container {
  display: flex;
  /* flex-wrap: wrap; */
  justify-content: space-between;
  align-items: center;
  width: 260px;
  margin: 0 auto;
}

h1 {
  text-align: center;
  margin: 2rem;
}
.fraction {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 30px 4px 30px;
}
/* .fraction1 {
  align-self: flex-start;
}
.fraction1 {
  align-self: flex-end;
} */

/* inputs */
input {
  width: 40px;
  text-align: center;
  font-size: 1.5rem;
}
/* remove number arrows from inputs */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
input[type="number"] {
  -moz-appearance: textfield;
}
/* remove number arrows from inputs */
.integer {
  grid-column: 1/2;
  grid-row: 1/4;
  margin-right: 2px;
}
.numerator {
  grid-column: 2/3;
  grid-row: 1/2;
}
.denominator {
  grid-column: 2/3;
  grid-row: 3/4;
}

.fractionLine {
  grid-column: 2/3;
  grid-row: 2/3;
  width: 90%;
  height: 2px;
  background-color: red;

  align-self: center;
}

.operators {
  /* max-width: 60px; */
}
#operation {
  font-size: 1.5rem;
  width: 80px;
}

/* option:hover {
  background-color: rgb(101, 232, 136);
} */

.resultLine {
  display: flex;
  align-items: center;

  margin: 1rem auto;
  width: 230px;
}
button {
  width: 35px;
  height: 25px;
  border-radius: 4px;
  background-color: #7eb27e;
  color: #fff;
  border: none;
}
button:hover {
  cursor: pointer;
  background-color: #609460;
  -webkit-transition: background-color 300ms linear;
  -ms-transition: background-color 300ms linear;
  transition: background-color 300ms linear;
}

#answer {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 15px 4px 15px;
  margin-left: 0.75rem;
  font-size: 1.5rem;
}

#ansInteger {
  grid-column: 1/2;
  grid-row: 1/4;
  margin-right: 4px;
}
#ansNumerator {
  grid-column: 2/3;
  grid-row: 1/2;
  font-size: 1rem;
}
#ansDenominator {
  grid-column: 2/3;
  grid-row: 3/4;
  font-size: 1rem;
}

.centerXY {
  display: grid;
  place-content: center;
}

.instructions {
  padding: 1rem;
}
.instructions h3 {
  margin-bottom: 1rem;
}
.instructions p {
  margin-bottom: 0.5rem;
}