.center {
  text-align: center;
}

.btn {
  padding: 10px;
  margin: 10px;
  font-size: 20px;
}

/* Digit Styling */
.digit {
  width: 50px;
  margin: auto;
}

.block-h {
  background: lightgrey;
  width: 40px;
  height: 10px;
  margin: auto;
  border-radius: 25px;
}

.block-v {
  background: lightgrey;
  width: 10px;
  height: 50px;
  border-radius: 25px;
}

.vertical-wrap {
  display: flex;
  justify-content: space-between;
}

.active {
  background: blue;
}

/* Digital Clock Styling */
.digital-clock .clock-digit {
  display: inline-block;
  margin: 0 10px;
}
.digital-clock .dot {
  display: inline-block;
  margin: 0 10px;
  width: 10px;
  height: 10px;
  background-color: grey;
}