html,
body {
    height: 100%;
    width: 100%;
    position: relative;
    margin: 0px auto;
    padding: 0px 0px 0px 0px;
    background-color: whitesmoke;
    font-family: 'Roboto', sans-serif;
}

article {
    height: 100%;
    width: 100%;
}

nav {
    height: 10%;
    width: 100%;
    float: left;
}
nav li:first-child {
    text-align: left;
}

ul,
ul li {
    display: block;
    list-style: none;
    margin: 0;
    padding: 0;
    text-align: right;
}

ul li {
    display: inline-block;
    vertical-align: middle;
    white-space: nowrap;
}

li a {
    padding: 5px;
    text-decoration: none;
    color: #696969;
    font-size: 20px;
    font-weight: bold;
    vertical-align: middle;
}

a:hover {
    background-color: #F0E68C;
}

#samolot {
    float: left;
    height: 100px;
    width: 150px;
    padding: 15px 0px 0px 15px;
}