1/* Hide the default checkbox */
2.container input {
3 position: absolute;
4 opacity: 0;
5 cursor: pointer;
6 height: 0;
7 width: 0;
8}
9
10.container {
11 display: block;
12 position: relative;
13 cursor: pointer;
14 font-size: 20px;
15 user-select: none;
16}
17
18/* Create a custom checkbox */
19.checkmark {
20 position: relative;
21 top: 0;
22 left: 0;
23 height: 1.3em;
24 width: 1.3em;
25 background-color: #343434;
26 border-radius: 5px;
27 transition: all 0.5s;
28}
29
30/* When the checkbox is checked, add a blue background */
31.container input:checked ~ .checkmark {
32 background-color: #f0f0f0;
33 border: 2px solid #343434;
34}
35
36/* Create the checkmark/indicator (hidden when not checked) */
37.checkmark:after {
38 content: "";
39 position: absolute;
40 display: none;
41 filter: drop-shadow(0 0 10px #888);
42}
43
44/* Show the checkmark when checked */
45.container input:checked ~ .checkmark:after {
46 display: block;
47}
48
49/* Style the checkmark/indicator */
50.container .checkmark:after {
51 left: 0.3em;
52 top: 0.05em;
53 width: 0.3em;
54 height: 0.65em;
55 border: solid #343434;
56 border-width: 0 0.2em 0.2em 0;
57 border-radius: 4px;
58 transform: rotate(45deg);
59 animation: bounceFadeIn 0.5s cubic-bezier(0.165, 0.84, 0.44, 1);
60}
61
62@keyframes bounceFadeIn {
63 from {
64  transform: translate(0, -10px) rotate(45deg);
65  opacity: 0;
66 }
67
68 to {
69  transform: translate(0, 0) rotate(45deg);
70  opacity: 1;
71 }
72}