body {
    background: rgb(235,235,235);
    text-align: center;
    margin: 0;
}

h1 {
    background: lightblue;
    padding: 20px;
    margin: 0;
}

#container {
    width: 80%;
    margin: auto;
    margin-top: 30px;
}

img {
    width: 200px;
    height: 200px;
    border-width: 4px solid black;
}


#knapp {
    display: inline-block;
    background: rgb(100,150,255);
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    margin-top: 20px;
}

#knapp:hover {
    background: rgb(70,120,255);
}


footer {
    background: #ddd;
    padding: 10px;
    margin-top: 40px;
}