#checkbox {
  display: none;
}
.toggler {
  display: block;
  width: 60px;
  height: 30px;
  border: 2px solid #4672fe;
  border-radius: 30px;
  position: relative;
  cursor: pointer;
}
.ball,
.sun,
.moon {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
}
.ball {
  display: inline-block;
  width: 25px;
  height: 25px;
  background-color: #4672fe;
  border-radius: 50%;
  left: 1px;
  z-index: 10;
  transition: 0.2s;
}
.sun {
  left: 5px;
  color: var(--text-color);
}
.moon {
  right: 5px;
  color: var(--text-color);
}
#checkbox:checked + .ball {
  transform: translate(29px, -50%);
}