body {
  margin: 0;
  background-color: #f2f2f2;
}

header {
  background-color: #082f49;
  color: #f2f2f2;
  display: flex;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 3;
  transform: translateY(-100%);
  transition: height 1s ease-in-out, padding 1s ease-in-out;
}

header.slide-in {
  transform: translateY(0);
  padding: 1vw 1vw;
}

.title {
  flex-grow: 1;
  text-align: left;
  padding-left: 10px;
}

nav ul li {
  margin-left: 20px;
}

.active,
nav ul li a:hover {
  text-decoration: underline;
}

footer {
  background-color: #f2f2f2;
  color: #0a4971;
  padding: 1.5vw 5vw 1.5vw 5vw;
  text-align: center;
}

::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: #999999;
  border-radius: 10px;
}

::-webkit-scrollbar-thumb {
  background: #0a4971;
  border: 1px solid #f2f2f2;
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: #83c9f4;
}

@media only screen and (max-width: 600px) {
  .header_logo {
    width: 50px;
  }

  .title h1 {
    font-family: "Merriweather", serif;
    font-size: 20px;
    font-weight: 700;
    margin: 0;
  }

  .title h2 {
    font-family: "Merriweather", serif;
    font-size: 16px;
    font-weight: 400;
    margin: 0;
  }

  h3 {
    font-family: "Merriweather", serif;
    font-size: 16px;
    font-weight: 700;
    margin-top: 1%;
    margin-bottom: 0.5%;
  }

  h4 {
    font-family: "Merriweather", serif;
    font-size: 16px;
    font-weight: 400;
    margin-top: 1%;
    margin-bottom: 0.5%;
  }

  p,
  td {
    font-family: "Source Sans 3", sans-serif;
    font-size: 12px;
    font-weight: 400;
    padding: 0%;
  }

  nav ul li a {
    font-family: "Source Sans 3", sans-serif;
    font-size: 12px;
    font-weight: 400;
    color: #f2f2f2;
    text-decoration: none;
  }

  nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    display: block;
  }

  .nserc_img {
    width: 90vw;
  }

  .footer_icon {
    margin-top: 5px;
    height: 40px;
  }
}

@media only screen and (min-width: 600px) {
  .header_logo {
    width: 60px;
  }

  .title h1 {
    font-family: "Merriweather", serif;
    font-size: 24px;
    font-weight: 700;
    margin: 0;
  }

  .title h2 {
    font-family: "Merriweather", serif;
    font-size: 20px;
    font-weight: 400;
    margin: 0;
  }

  h3 {
    font-family: "Merriweather", serif;
    font-size: 20px;
    font-weight: 700;
    margin-top: 1%;
    margin-bottom: 0.5%;
  }

  h4 {
    font-family: "Merriweather", serif;
    font-size: 20px;
    font-weight: 400;
    margin-top: 1%;
    margin-bottom: 0.5%;
  }

  p,
  td {
    font-family: "Source Sans 3", sans-serif;
    font-size: 16px;
    font-weight: 400;
    padding: 0%;
  }

  nav ul li a {
    font-family: "Source Sans 3", sans-serif;
    font-size: 16px;
    font-weight: 400;
    color: #f2f2f2;
    text-decoration: none;
  }

  nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    display: block;
  }

  .nserc_img {
    width: 80vw;
  }

  .footer_icon {
    margin-top: 10px;
    height: 40px;
  }
}
@media only screen and (min-width: 768px) {
  .header_logo {
    width: 70px;
  }

  .title h1 {
    font-family: "Merriweather", serif;
    font-size: 32px;
    font-weight: 700;
    margin: 0;
  }

  .title h2 {
    font-family: "Merriweather", serif;
    font-size: 24px;
    font-weight: 400;
    margin: 0;
  }

  h3 {
    font-family: "Merriweather", serif;
    font-size: 24px;
    font-weight: 700;
    margin-top: 1%;
    margin-bottom: 0.5%;
  }

  h4 {
    font-family: "Merriweather", serif;
    font-size: 24px;
    font-weight: 400;
    margin-top: 1%;
    margin-bottom: 0.5%;
  }

  p,
  td {
    font-family: "Source Sans 3", sans-serif;
    font-size: 20px;
    font-weight: 400;
    padding: 0%;
  }

  nav ul li a {
    font-family: "Source Sans 3", sans-serif;
    font-size: 16px;
    font-weight: 400;
    color: #f2f2f2;
    text-decoration: none;
  }

  nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    display: flex;
  }

  .nserc_img {
    width: 600px;
  }

  .footer_icon {
    margin-top: 10px;
    height: 40px;
  }
}

@media only screen and (min-width: 992px) {
  .header_logo {
    width: 80px;
  }

  .title h1 {
    font-family: "Merriweather", serif;
    font-size: 40px;
    font-weight: 700;
    margin: 0;
  }

  .title h2 {
    font-family: "Merriweather", serif;
    font-size: 24px;
    font-weight: 400;
    margin: 0;
  }

  h3 {
    font-family: "Merriweather", serif;
    font-size: 32px;
    font-weight: 700;
    margin-top: 1%;
    margin-bottom: 0.5%;
  }

  h4 {
    font-family: "Merriweather", serif;
    font-size: 32px;
    font-weight: 400;
    margin-top: 1%;
    margin-bottom: 0.5%;
  }

  p,
  td {
    font-family: "Source Sans 3", sans-serif;
    font-size: 24px;
    font-weight: 400;
    padding: 0%;
  }

  nav ul li a {
    font-family: "Source Sans 3", sans-serif;
    font-size: 16px;
    font-weight: 400;
    color: #f2f2f2;
    text-decoration: none;
  }

  nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    display: flex;
  }

  .nserc_img {
    width: 800px;
  }

  .footer_icon {
    margin-top: 10px;
    height: 60px;
  }
}

@media only screen and (min-width: 2560px) {
  body {
    max-width: 2560px;
    margin: 0 auto;
    overflow-x: hidden;
  }
}