body {
margin-left: 100px;
margin-right: 100px;
background-color: rgb(28, 36, 84);
}

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

div.Header {
display: flex; 
justify-content: 
center;
}

.moon {
        width: 500px;
        height: auto;
}