<button>Click me</button>
body {
    background-color: #64c6c6;
  
}

button {
  height:200px;
  width:400px;
    position: absolute;
    top: 50%; 
    right: 50%;
    transform: translate(50%,-50%);
    text-transform: uppercase;
    font-family: verdana;
    border-radius:10px;
    
    color:black;
  font-size:40px;
  font-weight:600px;
    box-shadow: 1px 1px 1px #919191,
        1px 2px 1px #919191,
        1px 3px 1px #919191,
        1px 4px 1px #919191,
        1px 5px 1px #919191,
        1px 6px 1px #919191,
        1px 7px 1px #919191,
        1px 8px 1px #919191,
        1px 9px 1px #919191,
        1px 10px 1px #919191,
    1px 18px 6px rgba(16,16,16,0.4),
    1px 22px 10px rgba(16,16,16,0.2),
    1px 25px 35px rgba(16,16,16,0.2),
    1px 30px 60px rgba(16,16,16,0.4);
}

External CSS

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External JavaScript

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