* {
  box-sizing: border-box; }

.hello-week {
  width: 100%;
  margin: 0 auto;
  user-select: none;
  font-size: 1em; }
  .hello-week .navigation {
    display: flex;
    flex-direction: row;
    align-items: center;
    padding: 0; }
  .hello-week .prev,
  .hello-week .next {
    padding: 1em;
    cursor: pointer; }
  .hello-week .period {
    width: 100%;
    font-size: 1.2em;
    font-weight: 400;
    text-align: center; }
  .hello-week .week {
    display: flex;
    font-size: 0.9em; }
    .hello-week .week.rtl {
      flex-direction: row-reverse; }
  .hello-week .month {
    display: flex;
    flex-wrap: wrap;
    padding: .4em 0;
    cursor: pointer; }
    .hello-week .month.rtl {
      flex-direction: row-reverse; }
  .hello-week .day {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: calc(100% / 7);
    padding: 1em;
    cursor: pointer; }
    .hello-week .day.is-disabled {
      cursor: not-allowed;
      opacity: 0.3; }