<button></button>
body {
	display: flex;
	justify-content: center;
	margin: 0;
	height: 100vh;
}

button {
	align-self: center;
	border: solid .25em transparent;
  padding: .25em;
  width: 10.75em; height: 4em;
  border-radius: 1.375em;
  box-shadow: inset 0 1px 1px rgba(#f7f7f7, .875), 
    inset 0 -1px 1px rgba(#bbb, .75);
  background: linear-gradient(#9ea1a6, #fdfdfe) content-box, 
    linear-gradient(#fff, #9c9fa4) padding-box, 
    linear-gradient(#eee, #a4a7ab) border-box;
}
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