body{
    margin: 0;
    padding: 0;
    text-align: justify;
    font-family: Tahoma;
}

img {
    display: block;
    margin: 0 auto;
    max-width: 100%;
}

nav {
    background-color: #021229;
    color: white;
    text-align: center;
}

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

nav ul li {
    display: inline;
    margin-right: 20px;
    font-size: large;
    font-family: Tahoma;
}

nav ul li a {
    text-decoration: none;
    color: white;
}

nav a:hover{
    background-color: #09397c;
    color: white;
}
footer{
    background-color: #021229;
    color: white;
    text-align: center;
}