html,
body {
  width: 100%;
  height: 100%;
  top: 0;
  bottom: 0;
  margin: 0;
  padding: 0;
  font-size: 1em;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif !important;
  line-height: 1.4;
}
.main-container {
  width: 1024px;
  padding: 0;
  margin: 0 auto;
  background-color: rgb(238, 238, 238);
}
#content {
  height: 100%;
  font-size: 100%;
  background-color: transparent;
  width: 960px;
  position: relative;
  outline: invert none 0px;
  border-width: 0px;
  border-style: none;
  margin: 0px auto;
  padding: 0px;
  border-color: white;
}
nav ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
  top: 0;
  overflow: hidden;
  background-color: rgb(61, 68, 88);
}

nav ul li {
  float: left;
}

nav ul li a {
  display: block;
  color: white !important;
  text-align: center;
  font-weight: 200;
  padding: 8px 16px;
  text-decoration: none;
  text-transform: uppercase;
}

/* Change the link color to #111 (black) on hover */
nav ul li a:hover {
  color: black !important;
  background-color: white;
}

main {
  background-color: white;
  height: 100%;
  padding: 10px;
}

article {
  padding-left: 10px;
  padding-top: 15px;
}

span {
  font-weight: bold;
  font-size: 1.2rem;
}
.article-container {
  height: 100%;
  background-color: rgb(238, 238, 238);
  padding-bottom: 10px;
  margin-bottom: 10px;
}

.active {
  background-color: #4caf50;
}

footer {
  margin-top: 10px;
}

#footer-line {
  text-align: right;
  width: 100%;
  color: white;
  font-family: "Lucida Sans", "Lucida Sans Regular", "Lucida Grande",
    "Lucida Sans Unicode", Geneva, Verdana, sans-serif;
  font-size: 0.8rem;
  background-color: rgb(61, 68, 88);
}

#footer-line a {
  color: white;
}

.gallery {
  margin-top: 10px;
}