1 
2<button>
3  <span>PLAY NOW</span>
4</button>          

 1 
 2button {
 3 border: none;
 4 position: relative;
 5 width: 200px;
 6 height: 73px;
 7 padding: 0;
 8 z-index: 2;
 9 -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' height='868' width='2500' viewBox='0 0 726 252.17'%3E%3Cpath d='M483.92 0S481.38 24.71 466 40.11c-11.74 11.74-24.09 12.66-40.26 15.07-9.42 1.41-29.7 3.77-34.81-.79-2.37-2.11-3-21-3.22-27.62-.21-6.92-1.36-16.52-2.82-18-.75 3.06-2.49 11.53-3.09 13.61S378.49 34.3 378 36a85.13 85.13 0 0 0-30.09 0c-.46-1.67-3.17-11.48-3.77-13.56s-2.34-10.55-3.09-13.61c-1.45 1.45-2.61 11.05-2.82 18-.21 6.67-.84 25.51-3.22 27.62-5.11 4.56-25.38 2.2-34.8.79-16.16-2.47-28.51-3.39-40.21-15.13C244.57 24.71 242 0 242 0H0s69.52 22.74 97.52 68.59c16.56 27.11 14.14 58.49 9.92 74.73C170 140 221.46 140 273 158.57c69.23 24.93 83.2 76.19 90 93.6 6.77-17.41 20.75-68.67 90-93.6 51.54-18.56 103-18.59 165.56-15.25-4.21-16.24-6.63-47.62 9.93-74.73C656.43 22.74 726 0 726 0z'/%3E%3C/svg%3E") no-repeat 50% 50%;
10 mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' height='868' width='2500' viewBox='0 0 726 252.17'%3E%3Cpath d='M483.92 0S481.38 24.71 466 40.11c-11.74 11.74-24.09 12.66-40.26 15.07-9.42 1.41-29.7 3.77-34.81-.79-2.37-2.11-3-21-3.22-27.62-.21-6.92-1.36-16.52-2.82-18-.75 3.06-2.49 11.53-3.09 13.61S378.49 34.3 378 36a85.13 85.13 0 0 0-30.09 0c-.46-1.67-3.17-11.48-3.77-13.56s-2.34-10.55-3.09-13.61c-1.45 1.45-2.61 11.05-2.82 18-.21 6.67-.84 25.51-3.22 27.62-5.11 4.56-25.38 2.2-34.8.79-16.16-2.47-28.51-3.39-40.21-15.13C244.57 24.71 242 0 242 0H0s69.52 22.74 97.52 68.59c16.56 27.11 14.14 58.49 9.92 74.73C170 140 221.46 140 273 158.57c69.23 24.93 83.2 76.19 90 93.6 6.77-17.41 20.75-68.67 90-93.6 51.54-18.56 103-18.59 165.56-15.25-4.21-16.24-6.63-47.62 9.93-74.73C656.43 22.74 726 0 726 0z'/%3E%3C/svg%3E") no-repeat 50% 50%;
11 -webkit-mask-size: 100%;
12 cursor: pointer;
13 background-color: transparent;
14 transform: translateY(8px)
15}
16 
17button:after {
18 content: '';
19 position: absolute;
20 left: 0;
21 right: 0;
22 bottom: 0;
23 box-shadow: 0px 0 0 0 white;
24 transition: all 2s ease;
25}
26 
27button:hover:after {
28 box-shadow: 0px -13px 56px 12px #ffffffa6;
29}
30 
31button span {
32 position: absolute;
33 width: 100%;
34 font-size: 15px;
35 font-weight: 100;
36 left: 50%;
37 top: 39%;
38 letter-spacing: 3px;
39 text-align: center;
40 transform: translate(-50%,-50%);
41 color: black;
42 transition: all 2s ease;
43}
44 
45button:hover span {
46 color: white;
47}
48 
49button:before {
50 content: '';
51 position: absolute;
52 width: 0;
53 height: 100%;
54 background-color: black;
55 left: 50%;
56 top: 50%;
57 transform: translate(-50%, -50%);
58 transition: all 1s ease;
59}
60 
61button:hover:before {
62 width: 100%;
63}