1.background-button {
2  background: repeating-linear-gradient(
3    45deg,
4    #3c2209 0 20px,
5    #ff9c00 20px 40px
6  );
7  width: 10em;
8  height: 10em;
9  -webkit-box-shadow: 15px 15px 50px 5px #5f5f5f;
10  box-shadow: 15px 15px 50px 5px #5f5f5f;
11  position: relative;
12  display: inline-block;
13  outline: 2px solid black;
14}
15
16.background-button::before {
17  content: "";
18  display: inline-block;
19  position: absolute;
20  top: 15%;
21  left: 15%;
22  width: 70%;
23  height: 70%;
24  background: #a0b8c4;
25  border: 2px solid #3c2209;
26}
27
28.button {
29  background: #cc2a1f;
30  width: 65%;
31  height: 65%;
32  border-radius: 50%;
33  position: absolute;
34  top: 7.5%;
35  left: 18.25%;
36  color: white;
37  font-size: 1em;
38  font-weight: 900;
39  font-family: 'Courier New', Courier, monospace;
40  -webkit-box-shadow: 0 15px 0 0 #842a2a;
41  box-shadow: 0 15px 0 0 #842a2a;
42  -webkit-transition: all .5s ease;
43  transition: all .5s ease;
44  border: 2px solid black;
45}
46
47.button:active {
48  -webkit-box-shadow: 0 1px 1px 1px #8C0606;
49  box-shadow: 0 1px 1px 1px #8C0606;
50  top: 15%;
51}
52
53.background-button:has(.button:active) + .emergency {
54  display: block;
55  -webkit-transform: rotate(0deg) scaleY(1);
56  -ms-transform: rotate(0deg) scaleY(1);
57  transform: rotate(0deg) scaleY(1);
58  -webkit-animation: anims 0.25s cubic-bezier(0.075, 0.82, 0.165, 1);
59  animation: anims 0.25s cubic-bezier(0.075, 0.82, 0.165, 1);
60}
61
62@keyframes anims {
63  0% {
64    -webkit-transform: rotate(-30deg) scaleY(0.25);
65    transform: rotate(-30deg) scaleY(0.25);
66  }
67
68  100% {
69    -webkit-transform: rotate(0deg) scaleY(1);
70    transform: rotate(0deg) scaleY(1);
71  }
72}
73
74.emergency {
75  position: absolute;
76  display: none;
77}
78