html{
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}
body{
    background-color: paleturquoise;
    max-width: 840px;
}
h1, h2, h3, h4, h5{
    margin:0;
    padding:0
}

article, footer, header, nav{
    background-color: white;
    border: solid aliceblue 2px;
    padding: 4px;
    padding-top:2px;
}

p{
    font-family: Georgia, 'Times New Roman', Times, serif;
    margin-top:6px;
    line-height: 150%;
}

header.top{
    border: 4px cornflowerblue solid;
    background-color: hsl(216, 100%, 89%);
    margin-top:5px;
    margin-bottom:5px;
    padding:10px;
}

footer{
margin-top:5px;    
}

img{
    max-width: 100%;
    height:auto;
}

blockquote{
    border-left: 4px lightslategray solid;
    padding:4px;
    padding-left: 8px;
    margin:0;
    margin-left:8px;
    margin-right:16px;
    background-color: #f5f5f5;
    border-radius:4px;
}