.checkbox {
  opacity: 0;
  position: absolute;
  display: none !important;
}

.checkbox-label {
  background-color: #111;
  width: 50px;
  height: 26px;
  border-radius: 50px;
  position: relative;
  padding: 5px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.fa-moon {color: #f1c40f;}
.fa-sun {color: #f39c12}
.checkbox-label .ball {
  background-color: #5a5858;
  width: 20px;
  height: 20px;
  position: absolute;
  left: 2px;
  top: 2px;
  border-radius: 50%;
  transition: transform 0.2s linear;
}

.checkbox:checked + .checkbox-label .ball {
  transform: translateX(24px);
}
#checkbox {display: none;}