.custom-calendar {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  grid-gap: 1rem;
  text-align: center;
}

.calendar-header {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  font-weight: bold;
  font-size: 22px;
  margin-bottom: 0.5rem;
}

.calendar-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  grid-gap: 1rem;
  text-align: center;
  margin-bottom: 1rem;
  font-weight: bold;
  padding-top: 0.5rem;
}

.custom-calendar .day {
  width: 40px;
  height: 40px;
  margin: -4px;
  line-height: 40px;
  border-radius: 50%;
  background-color: #1598ac;
  display: inline-block;
  position: relative;
  top: 50%;
  transform: translateY(-50%);
  font-size: 14px;
  color: #ffffff;
  cursor: pointer;
}

.nav-btn {
  background-color: transparent;
  color: #1598ac;
  border: none;
  font-size: 24px;
  cursor: pointer;
  outline: none;
  position: absolute;
}

#prevMonthBtn {
  left: 0rem;
}

#nextMonthBtn {
  right: 0rem;
}