1.l {
2  display: block;
3  margin-bottom: 1.5em;
4  font-size: 1em;
5}
6
7.l {
8  background-color: rgba(0,0,0,0.7);
9  border-radius: 0.75em;
10  box-shadow: 0.125em 0.125em 0 0.125em rgba(0,0,0,0.3) inset;
11  color: #fdea7b;
12  display: inline-flex;
13  align-items: center;
14  margin: auto;
15  padding: 0.15em;
16  width: 3em;
17  height: 1.5em;
18  transition: background-color 0.1s 0.3s ease-out, box-shadow 0.1s 0.3s ease-out;
19  -webkit-appearance: none;
20  -moz-appearance: none;
21  appearance: none;
22}
23
24.l:before, .l:after {
25  content: "";
26  display: block;
27}
28
29.l:before {
30  background-color: #d7d7d7;
31  border-radius: 50%;
32  width: 1.2em;
33  height: 1.2em;
34  transition: background-color 0.1s 0.3s ease-out, transform 0.3s ease-out;
35  z-index: 1;
36}
37
38.l:after {
39  background: linear-gradient(transparent 50%, rgba(0,0,0,0.15) 0) 0 50% / 50% 100%,
40		repeating-linear-gradient(90deg,#bbb 0,#bbb,#bbb 20%,#999 20%,#999 40%) 0 50% / 50% 100%,
41		radial-gradient(circle at 50% 50%,#888 25%, transparent 26%);
42  background-repeat: no-repeat;
43  border: 0.25em solid transparent;
44  border-left: 0.4em solid #d8d8d8;
45  border-right: 0 solid transparent;
46  transition: border-left-color 0.1s 0.3s ease-out, transform 0.3s ease-out;
47  transform: translateX(-22.5%);
48  transform-origin: 25% 50%;
49  width: 1.2em;
50  height: 1em;
51  box-sizing: border-box;
52}
53/* Checked */
54.l:checked {
55  background-color: rgba(0,0,0,0.45);
56  box-shadow: 0.125em 0.125em 0 0.125em rgba(0,0,0,0.1) inset;
57}
58
59.l:checked:before {
60  background-color: currentColor;
61  transform: translateX(125%)
62}
63
64.l:checked:after {
65  border-left-color: currentColor;
66  transform: translateX(-2.5%) rotateY(180deg);
67}
68/* Other States */
69.l:focus {
70	/* Usually an anti-A11Y practice but set to remove an annoyance just for this demo */
71  outline: 0;
72}