header,section,footer,aside,nav,article,figure,figcaption{display:block;}

body{
    background-color: #000052
}
h1{
    text-align: center;
    font-family: serif;
    font-size: 100px;
    font-weight: bold;
    color: #002989;
    background-color: #ff5c00;
}
ul{
    list-style-type: none;
    padding: 0;
    margin: 0;
    background-color: #eee;
    text-align: center;
}
li{
    display: inline-block;
}
li a{
    display: block;
    padding: 10px 15px;
    text-decoration: none;
    color: black;
}
li a:hover{
    background-color: #ccc;
}
article{
    color: white;
}