body {
	font-family: Arial;
}
h1 {
	margin: .3em;
}
.header, .footer {
	text-align: center;
}
.filter {
	margin: 5px;
}
.filter:not(.active) {
	color: blue;
	cursor: pointer;
	text-decoration: underline;
}
.content {
	margin: 1em auto;
	width: 300px;
	padding: 15px;
	list-style: none;
	line-height: 30px;
	background: #f3f3f3;
	border-radius: 5px;
}
.content .text, .content input[type=text] {
	width: 250px;
}
.delete-button {
	float: right;
	cursor: pointer;
}
.view-source {
	margin-top: 20px;
	text-align: center;
}