1 
2<div class="checkbox-wrapper">
3  <input id="_checkbox-26" type="checkbox">
4  <label for="_checkbox-26">
5    <div class="tick_mark"></div>
6  </label>
7</div>          

  1 
  2.checkbox-wrapper * {
  3  -webkit-tap-highlight-color: transparent;
  4  outline: none;
  5}
  6 
  7.checkbox-wrapper input[type="checkbox"] {
  8  display: none;
  9}
 10 
 11.checkbox-wrapper label {
 12  --size: 50px;
 13  --shadow: calc(var(--size) * .07) calc(var(--size) * .1);
 14  position: relative;
 15  display: block;
 16  width: var(--size);
 17  height: var(--size);
 18  margin: 0 auto;
 19  background-color: #4158D0;
 20  background-image: linear-gradient(43deg, #4158D0 0%, #C850C0 46%, #FFCC70 100%);
 21  border-radius: 50%;
 22  box-shadow: 0 var(--shadow) #ffbeb8;
 23  cursor: pointer;
 24  transition: 0.2s ease transform, 0.2s ease background-color,
 25      0.2s ease box-shadow;
 26  overflow: hidden;
 27  z-index: 1;
 28}
 29 
 30.checkbox-wrapper label:before {
 31  content: "";
 32  position: absolute;
 33  top: 50%;
 34  right: 0;
 35  left: 0;
 36  width: calc(var(--size) * .7);
 37  height: calc(var(--size) * .7);
 38  margin: 0 auto;
 39  background-color: #fff;
 40  transform: translateY(-50%);
 41  border-radius: 50%;
 42  box-shadow: inset 0 var(--shadow) #ffbeb8;
 43  transition: 0.2s ease width, 0.2s ease height;
 44}
 45 
 46.checkbox-wrapper label:hover:before {
 47  width: calc(var(--size) * .55);
 48  height: calc(var(--size) * .55);
 49  box-shadow: inset 0 var(--shadow) #ff9d96;
 50}
 51 
 52.checkbox-wrapper label:active {
 53  transform: scale(0.9);
 54}
 55 
 56.checkbox-wrapper .tick_mark {
 57  position: absolute;
 58  top: -1px;
 59  right: 0;
 60  left: calc(var(--size) * -.05);
 61  width: calc(var(--size) * .6);
 62  height: calc(var(--size) * .6);
 63  margin: 0 auto;
 64  margin-left: calc(var(--size) * .14);
 65  transform: rotateZ(-40deg);
 66}
 67 
 68.checkbox-wrapper .tick_mark:before,
 69  .checkbox-wrapper .tick_mark:after {
 70  content: "";
 71  position: absolute;
 72  background-color: #fff;
 73  border-radius: 2px;
 74  opacity: 0;
 75  transition: 0.2s ease transform, 0.2s ease opacity;
 76}
 77 
 78.checkbox-wrapper .tick_mark:before {
 79  left: 0;
 80  bottom: 0;
 81  width: calc(var(--size) * .1);
 82  height: calc(var(--size) * .3);
 83  box-shadow: -2px 0 5px rgba(0, 0, 0, 0.23);
 84  transform: translateY(calc(var(--size) * -.68));
 85}
 86 
 87.checkbox-wrapper .tick_mark:after {
 88  left: 0;
 89  bottom: 0;
 90  width: 100%;
 91  height: calc(var(--size) * .1);
 92  box-shadow: 0 3px 5px rgba(0, 0, 0, 0.23);
 93  transform: translateX(calc(var(--size) * .78));
 94}
 95 
 96.checkbox-wrapper input[type="checkbox"]:checked + label {
 97  background-color: #4158D0;
 98  background-image: linear-gradient(43deg, #4158D0 0%, #C850C0 46%, #FFCC70 100%);
 99  box-shadow: rgba(0, 0, 0, 0.3) 0px 19px 38px, rgba(0, 0, 0, 0.22) 0px 15px 12px;
100}
101 
102.checkbox-wrapper input[type="checkbox"]:checked + label:before {
103  width: 0;
104  height: 0;
105}
106 
107.checkbox-wrapper input[type="checkbox"]:checked + label .tick_mark:before,
108  .checkbox-wrapper input[type="checkbox"]:checked + label .tick_mark:after {
109  transform: translate(0);
110  opacity: 1;
111}