style.css

.container {
	width: 600px;
	margin-left:auto;
	margin-right:auto;
	font-family: 'Open Sans';
}
.newsletter {
	color: grey;
	border: solid thin #cfcfcf;
	padding: 10px;
	border-radius:3px;
	position:relative;
}
.newsletter #email {
	display: block;
	width:100%;
	height: 30px;
	margin-bottom: 4px;
	border-radius:3px;
	border: solid thin #cfcfcf;
	box-sizing: border-box;
}
.newsletter button {
	background-color: #3cb878;
	border: none;
	color: white;
	display: block;
	width:100%;
	height: 30px;
}

.newsletter h3 {
	margin-top:0;
}
.newsletter input#terms {
	margin:20px 0;
	position:relative;
	top:1px;
}
.newsletter #closex {
	position:absolute;
	top:0;
	right:5px;
}
#questionmark {
	background-color: #3cb878;
	width:100px;
	height:100px;
	border-radius:50%;
	color:white;
	text-align:center;
	font-size:70px;
	position:fixed;
	bottom:20px;
	right:20px;
	box-shadow: 0 0 5px 3px grey;
}
#card-holder {
	margin-bottom:30px;
	display:flex;
	justify-content: space-between;
  align-items:center; /* vertical alignment*/
}

.card {
	background-color: #3cb878;
	width:180px;
	text-align:center;
	color:white;
	padding:20px 0;
	box-shadow: 0 0 5px 3px grey; /* horizontal-move, vertical-move, blurryness, blur-intensity*/
}
.card h3 {
	margin:0;
	margin-top:20px;
}