body {
    font-family: Helvetica, sans-serif;
    background-color: rgb(245, 144, 183);
    margin: 0;
}
.wrapper, .container {
    max-width: 620px;
    margin-left: auto;
    margin-right: auto;
}
.container {
    background-color: #fff;
    padding: 40px;
}
header, nav, footer {
    padding: 10px;
}
header {
    background-color:  rgb(255, 56, 132);
    color: #fff;
    min-height: 200px;
}
nav {
    background-color:  rgb(240, 0, 92);
    color: #fff;
    position: sticky;
    top: 0;
}
nav a:link, nav a:visited {
    color: inherit;
    text-decoration: none;
}
a:link {
    color: rgb(255, 157, 206);
}
a:visited {
    color: rgb(180, 72, 126);
}
main {
    overflow: auto;
}
footer {
    background-color:  rgb(240, 0, 92);
    color: #fff;
    padding: 25px;
}
h1 {
    font-size: 40px;
    
}
h2 {
    margin-top: 30px;
    margin-bottom: 0;
    scroll-margin-top: 50px;
}
header img {
    float: left;
    margin-right: 20px;
}
.oikealla {
    float: right;
    margin-left: 20px;
}