body{max-width:640px;margin:auto;white-space: pre-wrap;padding:20px;font-family: monospace;background-color:#f4f4f4;color:#222;}
a {color:slateblue}
h1,h2,h3,h4 {font-weight: normal;margin-top:1em;margin-bottom:.5em; text-align: center;}
img {max-width: 100%;max-height:80vh;padding:40px 80px 20px 0px;box-sizing: border-box;margin-left:-6px;cursor:pointer;}
nav a {color:#999;width: 100%;display: block; white-space: nowrap;text-overflow: ellipsis;overflow: hidden; }
nav {position:fixed;right:0px;top:60px;width:12%;padding:6px;box-sizing: border-box;}
blockquote {font-size:1.4em;}
.columns {column-count: 2;column-gap: 60px;}
.expandImage {position:fixed;height:100vh;width:100vw;top:0px;left:0px;background-color:rgba(0,0,0,.85);}
.expandImage img {margin:auto;display:block;max-width:100%;max-height:100%;}