styles.css

.mainSlider {
  width: 25%;
  margin: auto;
}

.slider {
  -webkit-appearance: none;
  width: 100%;
  height: 25px;
  background: #eee;
  outline: none;
}

.slider:disabled {
  -webkit-appearance: none;
  width: 100%;
  height: 25px;
  background: #eee;
  outline: none;
}

.slider:hover {
  background: #ccc;
}

.slider:disabled {
  background: #eee;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 25px;
  height: 25px;
  background: #4CAF50;
  cursor: pointer;
}

.slider::-moz-range-thumb {
  width: 25px;
  height: 25px;
  background: #4CAF50;
  cursor: pointer;
}

.slider:disabled::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 25px;
  height: 25px;
  background: #ddd;
  cursor: pointer;
}

.slider:disabled::-moz-range-thumb {
  width: 25px;
  height: 25px;
  background: #ddd;
  cursor: pointer;
}

.sansserif {
  font-family: Arial, Helvetica, sans-serif;
}

.text {
  width: 50%;
}

.textRight {
  width: 20%;
  float: right;
}

 /* Customize the label (the container) */
.container {
  display: block;
  position: relative;
  margin-bottom: 10px;
  cursor: pointer;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  margin: auto;
  width: 25%;
  padding-top: 14px;
  padding-bottom: 15px;
  padding-left: 10px;
  padding-right: 10px;
}

/* Hide the browser's default checkbox */
.container input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

/* Create a custom checkbox */
.checkmark {
  position: absolute;
  top: 1;
  left: 10;
  height: 25px;
  width: 25px;
  background-color: #eee;
}

/* On mouse-over, add a grey background color */
.container:hover input ~ .checkmark {
  background-color: #ccc;
}

/* When the checkbox is checked, add a blue background */
.container input:checked ~ .checkmark {
  background-color: #2196F3;
}

/* Create the checkmark/indicator (hidden when not checked) */
.checkmark:after {
  content: "";
  position: absolute;
  display: none;
}

/* Show the checkmark when checked */
.container input:checked ~ .checkmark:after {
  display: block;
}

/* Style the checkmark/indicator */
.container .checkmark:after {
  left: 9px;
  top: 5px;
  width: 5px;
  height: 10px;
  border: solid white;
  border-width: 0 3px 3px 0;
  -webkit-transform: rotate(45deg);
  -ms-transform: rotate(45deg);
  transform: rotate(45deg);
}