body {

    background-image: url('background.png');
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-size: 80% 80%;
    background-position: bottom right;
    color: #202020;
    background-color: #f4fff4;

    font-family: serif;
}

:visited {

    color: #4040c0;
}

h1 {

    color: #4040c0;
    margin-left: 10%;
}

div.pad {

    width: 70%;
    margin-left: 10%;
}

ul.menu {

    text-align: right;
}

ul.menu li {

    display: inline;
}

ul.menu li a {

    text-decoration: none;
    padding: 4px;
    background-color: #f0f0f0;
    border: 4px #c0c0f0 ridge;
}

ul.menu li a:hover {

    background-color: #c0c0f0;    
}

ul.wp-block-list {

    list-style: outside url("img/li.svg");
}

pre.wp-block-code {

    background-color: #f0f0f080;
    max-width: 80%;
    border:3px inset #c0c0c0;
}

code {

    margin: 5px;
}

@media only screen and (max-width: 400px) {
img.image400 {

    width: 100%;
}

@media only screen and (max-width: 600px) {
img.image600 {

    width: 100%;
}
}

@media only screen and (max-width: 650px) {
img.image650 {

    width: 100%;
}
}