Template:Calculator/styles.css

.box-round {
	clear: both;
}

.box-round-title {
	padding: 0.1em;
	background: #9fc5e8;
	text-align: center;
	font-weight: bold;
	border: 1px solid #3d85c6;
	border-bottom: none;
	border-radius: 1.5em 1.5em 0 0;
}

.box-round-title > span {
	float: right;
	margin-bottom: .1em;
	font-size: 85%;
	padding-right: 0.5em;
}

.box-round-title > h2 {
	font-size: 140%;
	font-weight: bold;
	border: none;
	margin: 0;
	padding: 0;
	padding-bottom: .1em;
}

.box-round-text {
	border: 1px solid #3d85c6;
	background: #fff;
	margin-bottom: 10px;
	padding: .8em 1em 1em 1.3em;
	border-radius: 0 0 1.5em 1.5em;
}

#button {
  background-color: #4CAF50;
  border: none;
  color: white;
  padding: 15px 32px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  margin: 4px 2px;
  cursor: pointer;
}