body {
    margin: 0;
    font-family: Arial, sans-serif;
    
}

.container {
    min-width: 500px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    
}

header, nav {
    padding: 20px;
}

header img {
    float: right;
}

header {
    background-color: rgb(118, 144, 249);
    overflow: auto;
}

nav {
    background-color: rgb(127, 217, 255);
}

main {
    overflow: auto;
    padding: 20px;
}

.oikealla {
    float: right;
    margin-left: 10px;
}

footer {
    background-color: rgb(31,31,31);
    color: rgb(189, 189, 236);
    padding-top: 20px;
    padding-bottom: 40px;
    padding-left: 20px;
    padding-right: 20px;
    clear: both;
}