filters

index.html

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">	
		<title>Filters</title>
		<meta name="robots" content="noindex, nofollow">
		<meta name="viewport" content="width=device-width, initial-scale=1">
		<link rel="stylesheet" href="styles.css">	
	</head>
	<body>

		<header>

			<h1>Filters</h1>

		</header> 

		<div class="wrapper">

			<div class="container">
				
				<img class="grayscale" src="images/who-shot-the-painter.jpg" alt="who shot the painter"/>

				<img class="blur" src="images/who-shot-the-painter.jpg" alt="who shot the painter"/>

				<img class="sepia" src="images/who-shot-the-painter.jpg" alt="who shot the painter"/>

			</div> <!-- .container-->

		</div> <!-- .wrapper-->

		<footer>

			<small><a href="https://opensource.org/licenses/MIT">MIT</a></small>

		</footer> 

	</body>
</html>

styles.css

body {
  background: #eeeeee;
  font-size: 16px;
  font-family: "Trebuchet MS", Helvetica, sans-serif;
  margin: 0;
}

a {
  color: crimson;
  text-decoration: none;
}

a:hover {
  color: red;
}


/* Layout
------------------------------------------*/

header,
.container,
footer {
  margin: 0 auto;
  width: 88%;
  max-width: 1080px;
}

.wrapper {
  padding: 1em 0;
  background: #ffffff;
}


/* Filters
------------------------------------------*/

.grayscale {
  filter: grayscale(100%);
  transition: 1s;
}

.grayscale:hover {
  filter: grayscale(0);
}

.blur {
  filter: blur(3px);
  transition: 1s;
}

.blur:hover {
  filter: blur(0px);
}

.sepia {
  filter: sepia(100%);
  transition: 1s;
}

.sepia:hover {
  filter: sepia(0);
}