*{
  box-sizing:border-box;
  margin:0;
  padding:0;
}
html,
body {
  height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  background-color: #212121;
}
.material-checkbox {
  display: flex;
  align-items: center;
  font-size: 16px;
  color: #777777;
  cursor: pointer;
}

.material-checkbox input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.checkmark {
  position: relative;
  display: inline-block;
  width: 20px;
  height: 20px;
  margin-right: 12px;
  border: 2px solid #454B00;
  border-radius: 4px;
  transition: all 0.3s;
}

.material-checkbox input[type="checkbox"]:checked ~ .checkmark {
  background-color: #2F3300;
  border-color: #454B00;
}

.material-checkbox input[type="checkbox"]:checked ~ .checkmark:after {
  content: "";
  position: absolute;
  top: 2px;
  left: 6px;
  width: 4px;
  height: 10px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.material-checkbox input[type="checkbox"]:focus ~ .checkmark {
  box-shadow: 0 0 0 2px #dfec5065;
}

.material-checkbox:hover input[type="checkbox"] ~ .checkmark {
  border-color: #C3CF34;
}

.material-checkbox input[type="checkbox"]:disabled ~ .checkmark {
  opacity: 0.5;
  cursor: not-allowed;
}

.material-checkbox input[type="checkbox"]:disabled ~ .checkmark:hover {
  border-color: #4d4d4d;
}