#main-section {
  margin: 0;
  padding: 0px;
  color: #292f36;
  font-family: "Open sans";
  line-height: 1.6;
}
#main-section .header-section {
  height: 560px;
  z-index: 5;
}
#main-section .header-section .header-banner {
  background-color: #333;
  background-image: url("human-cover01.jpg");
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  width: 100%;
  height: 500px;
}
#main-section .header-section .header-banner h1 {
  background-color: rgba(18, 72, 120, 0.8);
  color: #ffffff;
  padding: 0 1rem;
  position: absolute;
  top: 2rem;
  left: 2rem;
}
#main-section .header-section nav {
  width: 100%;
  height: 60px;
  background: #292f36;
  z-index: 10;
}
#main-section .header-section nav.fixed-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
}
#main-section .header-section nav div {
  color: white;
  font-size: 2rem;
  line-height: 60px;
  position: absolute;
  top: 0;
  left: 2%;
  visibility: hidden;
}
#main-section .header-section nav div.visible-title {
  visibility: visible;
}
#main-section .header-section nav ul {
  list-style-type: none;
  margin: 0 2% auto 0;
  padding-left: 0;
  text-align: right;
  max-width: 100%;
}
#main-section .header-section nav ul li {
  display: inline-block;
  line-height: 60px;
  margin-left: 10px;
}
#main-section .header-section nav ul li a {
  text-decoration: none;
  color: #a9abae;
}
#main-section section.content {
  margin: 0 auto;
  padding: 4rem 0;
  width: 960px;
  max-width: 100%;
}
#main-section section.content article {
  float: left;
  width: 720px;
}
#main-section section.content article p:first-of-type {
  margin-top: 0;
}
#main-section section.content article p img {
  max-width: 100%;
}
#main-section section.content aside {
  float: right;
  width: 120px;
}

.code-section {
  clear: both;
  width: 100%;
}
.code-section .code-column {
  width: 60%;
  margin: 0 auto;
}

@media (max-width: 1199px) {
  .code-section .code-column {
    width: 80%;
  }
}
@media (max-width: 960px) {
  #main-section section.content {
    padding: 2rem 0;
  }
  #main-section section.content article {
    float: none;
    margin: 0 auto;
    width: 96%;
  }
  #main-section section.content article:last-of-type {
    margin-bottom: 3rem;
  }
  #main-section section.content aside {
    float: none;
    text-align: center;
    width: 100%;
  }
  .code-section .code-column {
    width: 85%;
  }
}/*# sourceMappingURL=scroll-fixed-header.css.map */