1/* The switch - the box around the slider */
2.switch {
3  font-size: 17px;
4  position: relative;
5  display: inline-block;
6  width: 1.2em;
7  height: 3.3em;
8}
9
10/* Hide default HTML checkbox */
11.switch .chk {
12  opacity: 0;
13  width: 0;
14  height: 0;
15}
16
17/* The slider */
18.slider {
19  position: absolute;
20  cursor: pointer;
21  top: 0;
22  left: 0;
23  right: 0;
24  bottom: 0;
25  background-color: #ccc;
26  transition: .4s;
27  border-radius: 5px;
28}
29
30.slider:before {
31  position: absolute;
32  content: "";
33  height: .5em;
34  width: 2.4em;
35  border-radius: 5px;
36  left: -0.6em;
37  top: 0.2em;
38  background-color: white;
39  box-shadow: 0 6px 7px rgba(0,0,0,0.3);
40  transition: .4s;
41}
42
43.slider:before, .slider:after {
44  content: "";
45  display: block;
46}
47
48.slider:after {
49  background: linear-gradient(transparent 50%, rgba(255, 255, 255, 0.15) 0) 0 50% / 50% 100%,
50		repeating-linear-gradient(90deg,rgb(255, 255, 255) 0,rgb(255, 255, 255),rgb(255, 255, 255) 20%,rgb(255, 255, 255) 20%,rgb(255, 255, 255) 40%) 0 50% / 50% 100%,
51		radial-gradient(circle at 50% 50%,rgb(255, 255, 255) 25%, transparent 26%);
52  background-repeat: no-repeat;
53  border: 0.25em solid transparent;
54  border-left: 0.4em solid #ffffff;
55  border-right: 0 solid transparent;
56  transition: border-left-color 0.1s 0.3s ease-out, transform 0.3s ease-out;
57  transform: translateX(-22.5%) rotate(90deg);
58  transform-origin: 25% 50%;
59  position: relative;
60  top: 0.5em;
61  left: 0.55em;
62  width: 2em;
63  height: 1em;
64  box-sizing: border-box;
65}
66
67.chk:checked + .slider {
68  background-color: limegreen;
69}
70
71.chk:focus + .slider {
72  box-shadow: 0 0 1px limegreen;
73}
74
75.chk:checked + .slider:before {
76  transform: translateY(2.3em);
77}
78
79.chk:checked + .slider:after {
80  transform: rotateZ(90deg) rotateY(180deg) translateY(0.45em) translateX(-1.4em);
81}