*{
	box-sizing: border-box;
}
body{
	margin: 0;
}
header{
	background-color: #80e0ff;
	text-align: center;
	padding: 25px;
}
.navbar ul{
	list-style-type: none;
	background-color: #67d1fe;
	padding: 0px;
	margin: 0px;
	overflow: hidden;
}
.navbar a{
	color: black;
	text-decoration: none;
	padding: 15px;
	display: block;
	text-align: center;
}
.navbar a:hover{
	background-color: #67d8fe;
}
.navbar li{
	float: left;
}
section{
	width: 33%;
	float: left;
	padding: 10px;
}
footer{
	display: block;
	clear: both;
	background-color: #80e0ff;
	text-align: center;
	padding: 25px;
}
@media screen and (max-width:600px){
	section{
		width: 100%;
	}
}