body {
    background-color: #6fffbc;
}

div h3 {
    background-color: rgb(54, 54, 54);
}

#navigation {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 60px;
    background-color: rgb(26, 26, 26);
    padding: 0;
}

nav a {
    position: relative;
    text-decoration: none;
    font-weight: bold;
    color: #fff201;
    margin: 12px;
    bottom: 43px;
    left: 120px;
    font-size: 20px;
}

nav{
    position: relative;
    left: 10px;
}

nav a:focus,
nav a:hover,
nav a:active {
    text-decoration: underline;
}

div h3 {
    margin-left: 10px;
    font-size: 20px;
}

.selected {
    color: rgb(0, 47, 255);
}

#article {
    position: relative;
    top: 50px;
}

#hidden {
    color: #880016;
}

#header {
    position: relative;
    top: 50px;
}

div#navigation h3 {
    color: green;
}