@import url('https://fonts.googleapis.com/css?family=Open+Sans');

html {
	padding:15px;
}

.underline {
	border-bottom: 1px solid #eee;
	margin-top: 10px;
}

#after, #calculate {
	margin-bottom: 5rem;
}

img {
    display: block;
    margin-left: auto;
    margin-right: auto;
		max-height: 500px;
}

input:read-only {
  color: gray;
}
input:-moz-read-only { /* For Firefox */
 color: gray;
}