uccser/cs-field-guide

#interactive-base-calculator-container {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  &::before,
  &::after {
    content: '';  /* Insert pseudo-element */
    margin: auto; /* Make it push flex items to the center */
  }
  div.calculator-column {
    flex: 0 1 auto;
    display: flex;
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: flex-start;
  }
  div.calculator-column:nth-child(4n+1) {
    background-color: #EEE;
  }
  div.calculator-element {
    flex: 0 1 auto;
    text-align: center;
    min-width: 2rem;
    padding: 0.2rem;
    font-size: 1rem;
    width: 100%;
    color: rgba(0, 0, 0, 0.8);
    white-space: nowrap;
  }
  div.calculator-element.calculator-symbol {
    font-weight: bold;
    padding-left: 0.5rem;
    padding-right: 0.5rem;
    color: rgba(0, 0, 0, 0.5);
  }
  select {
    text-align: center;
    color: black;
    display: block;
    border: 1px solid grey;
    border-radius: 2px;
    padding: 0.2rem;
    background: none;
    font-size: 1.4rem;
    cursor: pointer;
  }
}