*,*:after,*:before{
	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;	
	-ms-box-sizing: border-box;	
	box-sizing: border-box;	
}

body {
  	font-family: Arial, Helvetica, sans-serif;
  	font-size: 16px;
 	margin: 0;
  	background: #fff;
  	min-height: 100vh;
  	background: #000;
  	display: flex;
  	align-items: center;
  	justify-content: space-around;
}

button {
	padding: 10px 25px;
	font-size: 22px;
	line-height: 40px;
  	min-width: 150px;
  	text-align: center;
  	cursor: pointer;
  	background: linear-gradient(to right bottom, #273c75,#079992);
  	color: #fff;
  	border-radius: 5px;
  	border:0px;
  	height: 60px;
}

button change {
	height: 80px;	
}