* {
    box-sizing: border-box;
}

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

header {
    background-color: #666;
    padding: 30px;
    font-size: 35px;
    text-align: center;
    color: white;
}

nav {
    float: left;
    width: 25%;
    max-width: 220px;
    height: available;
    background: #ccc;
    padding: 20px;
    font-size: 16px;
    /*height: 50em;*/
}

nav ul {
    list-style-type: none;
    padding: 0;
}

article {
    float: left;
    padding: 20px;
    width: 75%;
    background-color: #f1f1f1;
}

section:after {
    content: "";
    display: table;
    clear: both;
}

footer {
    background-color: #777;
    color: black;
    position: absolute;
    bottom: 0;
    left: 0;
    height: 2em;
    width: 100%;
    padding: 3px;
    font-weight: bold;
}
footer .centerFooter{
}

footer .leftFooter{
    float: left;
    width: 45%;
}

footer .rightFooter{
    float: right;
    margin-right: 5px;
}

.galeryList{

}

.galeryList img{
    max-width: 250px;
    max-height: 250px;
    border-style: double;
}


@media (max-width: 600px) {
    nav, article {
        width: 100%;
        height: auto;
    }
}