h1 {
  color: steelblue;
  font-size: 50px;
}

body {
  margin: 60;
  font-family: Consolas, sans-serif;
  background-color: #aaa;
  background-image: url(sea.jpg);
  background-attachment: fixed;
  background-size: cover;
  background-position: center;
}

img {
   max-width: 100%;
   height: auto;
   border: 2px solid #000000;
}

.erilainen {
  border: none;
  border-radius: 20px
}

.erityinen {
  color: teal;
}

.kehys {
  max-width: 800px;
  background-color: lightblue;
  margin-left: auto;
  margin-right: auto; 
  padding: 30px;
}

a:link {
  text-decoration: none;
  color: #0FC0D4;
}
a:visited {
  color: #09AE7A;
}
a:hover {
  text-decoration: underline;
}
a:active {
  background-color: green;
}