h1 {
    text-align: center;
    margin-top: 1em;
    margin-bottom: 2em;
    margin-left: 200px;
    margin-right: 200px;
}

.menu {
    position: fixed;
    display: inline;
    list-style: none;
    padding-bottom: 1.5em;
    padding-left: 0px;
    right: 0px; 
    top: 0px;
}
.menu li
{
    position: relative;
    display: block;
    float: right;
    margin-left: 0px;
    margin-right: 0px;
    margin: .5em;

}

.wrong {
    color: red;
}

body {
    background-color: rgb(203,196,206);
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-image: url('img/Lango/tentacle.jpeg');
    background-position: bottom left;
    margin-left: 160px;
}
p,pre,li,h1,h2,h3,h4,h5,h6,td, div, span {
    background-color: rgb(203,196,206);
    background-image: url('img/Lango/tentacle_back.jpeg');
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-position: bottom left;
    padding: .2em;
    padding-left: .6em;
}

.w3c_valid {
    width: 50%;
    margin-left: auto;
    text-align: right;
}