<label class="container">
    <input type="checkbox" checked="checked">
    <div class="checkmark"></div>
</label>
<style>
/* From Uiverse.io by shreyasm-dev - Tags: neumorphism, checkbox */
/* Hide the default checkbox */
.container input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.container {
  display: block;
  position: relative;
  cursor: pointer;
  font-size: 20px;
  user-select: none;
}

/* Create a custom checkbox */
.checkmark {
  position: relative;
  top: