/* ##### Calculator - Main ##### */
/* CARDS */
.card._main {
  border: 2px solid black;
  max-width: 320px;
  margin-bottom: 20px;
}

.card-header._main {
  border-bottom: 1px solid black;
  background-color: rgb(220, 230, 241);
  text-decoration: underline;
  font-weight: bold;
  padding: 2px 2px 4px;

  display: flex;
  justify-content: center;
  align-items: center;
}

.card-body._main {
  padding: 16px;
}

.card-overall {
  max-width: 320px;
  margin-bottom: 20px;
}