.demo {
    width: 560px;
    margin: 80px auto;
    border-radius: 16px;
}

.demo p {
    padding: 16px 0;
    position: relative;
    left: 16px;
    opacity: 0.5;
}

body {
	height: 160px;
	width: 560px;
	background-size: px px;
	margin:0px auto;
	background-color: ;
}