jquery复选框样式

<div class="custom-checkbox">
  <input type="checkbox" id="customCheck">
  <label for="customCheck"></label>
</div>

.custom-checkbox input[type="checkbox"] {
  display: none;
}
.custom-checkbox label {
  cursor: pointer;
  position: relative;
  padding-left: 30px;
  margin-right: 15px;
  font-size: 16px;
}
.custom-checkbox label:before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 20px;
  height: 20px;
  border: 2px solid #ccc;
  background-color: #fff;
}
.custom-checkbox input[type="checkbox"]:checked + label:before {
  content: "\2713"; /* Checkmark symbol */
  color: #fff;
  background-color: #007bff;
  text-align: center;
  line-height: 20px;
}

$(document).ready(function() {
  $('.custom-checkbox input[type="checkbox"]').change(function() {
    if ($(this).is(':checked')) {
      $(this).next('label').addClass('checked');
    } else {
      $(this).next('label').removeClass('checked');
    }
  });
});