html {
  height: 100%; }

body {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  min-height: 100vh;
  margin: 0;
  padding: 20px 0;
  font-size: 13px; }

.container {
  display: flex;
  align-items: flex-start;
  max-width: 700px;
  width: 100%; }

.content-wrapper {
  display: flex;
  flex-direction: column;
  position: relative;
  max-width: 600px;
  width: 100%; }

.image-container {
  position: relative;
  display: block;
  margin: 0 auto;
  max-width: 600px;
  width: 100%;
  height: 300px; }

#cube-bg {
  display: block;
  width: 100%;
  height: 300px; }

.cityscape-container {
  position: relative;
  display: block;
  margin: 20px auto;
  max-width: 600px;
  width: 100%;
  height: 300px; }

#cityscape {
  display: block;
  width: 100%;
  height: 100%; }

.main {
  z-index: 1;
  width: 100%;
  max-width: 600px;
  min-height: 600px;
  border: 1px solid rgba(0, 0, 0, 0.2);
  padding: 0 10px 40px 10px;
  font-family: "Verdana"; }

.main h1 {
  font-family: 'Times New Roman', Times, serif;
  font-size: 42px;
  font-weight: 400; }

a:hover {
  background-color: lightgrey; }

.sidenav {
  width: 100px;
  border: 1px solid rgba(0, 0, 0, 0.2);
  border-style: solid none solid solid;
  margin-right: 0; }

.center-image {
  margin: 0 auto;
  display: block;
  max-width: 100%;
  height: 300px;
  object-fit: scale-down;
  position: relative;
  z-index: 1; }

.footer-links {
  width: 100%;
  max-width: 600px;
  margin-top: 10px;
  border: 1px solid rgba(0, 0, 0, 0.2);
  padding: 10px;
  font-family: "Verdana"; }

.date-gray {
  color: #999; }

.rss-link {
  color: #999; }

.main li {
  margin-bottom: 8px; }

@media screen and (max-width: 768px) {
  body {
    padding: 10px; }
  .container {
    flex-direction: column;
    align-items: center;
    width: 100%; }
  .sidenav {
    width: 100%;
    max-width: 600px;
    border-style: solid solid none solid;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-right: 0; }
  .content-wrapper {
    width: 100%;
    max-width: 600px; }
  .sidenav a {
    display: inline; }
  .main {
    min-height: auto;
    padding: 0 20px 40px 20px;
    box-sizing: border-box; }
  .footer-links {
    padding: 10px 20px;
    box-sizing: border-box; } }

/* The sidebar menu */
.sidenav {
  overflow-x: hidden;
  padding-top: 10px;
  padding-bottom: 10px; }

/* The navigation menu links */
.sidenav a {
  font-family: "Tahoma";
  padding: 6px 0px 6px 5px;
  font-size: 1em;
  display: block;
  color: blue;
  text-transform: capitalize; }

.sidenav a.current {
  background-color: lightgrey; }

/* On smaller screens, where height is less than 450px, change the style of the sidebar (less padding and a smaller font size) */
@media screen and (max-height: 450px) {
  .sidenav {
    padding-top: 15px; }
  .sidenav a {
    font-size: 18px; } }