html {
	font-family: "Trebuchet MS", Helvetica, San-serif;
	box-sizing: border-box;
}

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

h1 {
	color: Blue;
	font-weight: bold;
	text-decoration: overline;
	margin-left: 2em;
	margin-bottom: 4px;
}

h3 {
	color: green;
	font-weight: bold;
	margin-top: 3px;
	padding-left: 2em;
}

h2 {
	color: purple;
	text-align: center;
	margin-top: 2px;
	margin-bottom: 3px;
}

header {
	background-color: rgb(189, 220, 213);
	margin-bottom: 0px;
	border-top-right-radius: 15px;
	border-top-left-radius: 15px;
}

#container {
	display: flex;
}

.main {
	margin-top: 0px;
	display: flex;
	flex: 1 200px;
	background-color: rgb(28, 211, 197);
}

article {
	background-color: rgb(200, 216, 198);
	padding: 10px;
	margin: 5px;
	line-height: 1.5;
	text-align: justify;
}


.main div:nth-of-type(4) {
	flex: 4 200px;
}



img {
	width: 95%;
	border: 2px solid green;
	flex-flow: column wrap;
	margin: 3px 4px;
}

nav {
	background-color: rgb(218, 159, 219);
}

ul {
	list-style-type: none;
	margin-top: 4px;
	margin-left: 1px;
	padding: 10px;
}

li {
	
	padding: 3px;
    display: inline-block;
	background-color: rgb(211, 199, 207);
}

a, li:link {
	text-decoration: none;
	color: rgb(17, 147, 24);
}

li:hover {
	border: 1px solid orange;
	background-color: rgb(112, 211, 200);
}

#footer {
	display: flex;
	flex-flow: column wrap;
	margin-top: 5px;
	line-height: 2;
	background-color: rgb(190, 212, 98);
}

#sidebar {
	background-color: rgb(212, 111, 199);
}

#button{ 
	display: flex;
	justify-content: flex-start;
	margin-top: 10px;
}

button {
	padding: 4px;
}