/**************
|  style.css  |
**************/

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

* {
	margin: 0;
}

html {
	background-color: navy;
}

body {
	font-family: Arial, Helvetica, sans-serif;
	background-color: lightblue;
	border-radius: 5px;
	text-align: center;
	height: fit-content;
	width: 450px;
	color: navy;
	margin: 20px auto;
	padding-top: 15px;
	padding-bottom: 15px;
}

nav {
	background-color: navy;
	border-radius: 7px;
	text-align: center;
	margin: auto;
	width: 425px;
	height: auto;

}

nav ul {
	margin-left: -40px;
	display: flex;
	align-items: center;
	align-items: space-between;
}

nav li {
	list-style: none;
	font-size: 18px;
	padding: 10px;
	flex: 1;
}

nav a {
	text-decoration: none;
	color: snow;
}

nav a:hover {
	color: gold;
}

h1 {
	margin: 10px auto 5px;
}

h2 {
	margin: 5px auto 10px;
	font-size: 28px;
}

h3 {
	margin: 0;
	padding: 5px 0;
	text-align: left;
}

h4 {
	font-size: 20px;
}

.container {
	display: flex;
	align-items: center;
	flex-direction: column;
}

.mbot {
	margin-bottom: 20px;
}

.item {
	flex: 1;
	width: 425px;
	align-items: center;
}

p {
	margin: 5px;
	padding: 5px;
	font-size: 18px;
}

p a:link {
	text-decoration: none;
	font-weight: bold;
	color: blue;
}

p a:visited {
	color: blue;
}

p a:hover {
	color: crimson;
}

.more {
	margin: 5px;
	padding: 5px;
}

.less {
	margin: 0;
	padding: 0;
}

.text {
	text-align: left;
	font-size: 18px;
	margin: 20px 0;
	padding-left: 5px;
}

span {
	font-family: 'Courier New', Courier, monospace;
	font-weight: bold;
	font-size: 19px;
}

button {
	box-shadow: 3px 3px 7px black;
	background-color: navy;
	border: solid 2px snow;
	border-radius: 13px;
	margin: 5px 10px 0;
	padding: 5px 15px;
	font-size: 22px;
	color: snow;
	cursor: pointer;
	outline: none;
	width: 400px;
}

button:hover {
	color: gold;
}

button:active {
	box-shadow: 3px 3px 7px transparent;
}

input {
	box-shadow: 3px 3px 7px black;
	background-color: snow;
	border: solid 2px navy;
	border-radius: 13px;
	margin: 5px 10px 0;
	padding: 5px 15px;
	font-size: 22px;
	color: navy;
	cursor: pointer;
	outline: none;
	width: 100px;
}

.output {
	background-color: snow;
	border: solid 4px navy;
	text-align: center;
	padding: 10px 15px;
	margin: 15px auto;
	min-height: 250px;
	width: 250px;
}

#formula {
	width: 90%;
	margin: auto;
	font-size: 22px;
	padding-top: 20px;
	font-weight: bold;
	font-family: 'Courier New', Courier, monospace;
}