:root {
  --primary-color: #0f172a;
  --link-color: #abc8e3;
  --link-bg-hover: #1c2334;
  --padding: 1rem;
}

html,
body,
* {
  font-family: "Gill Sans", "Gill Sans MT", Calibri, "Trebuchet MS", sans-serif;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: linear-gradient(to bottom, #045085, #004677);
  color: #ffffff;
}

.container {
  width: calc(100% - 2 * var(--padding));
  max-width: 1280px;
  margin-left: 1rem;
  margin-right: 1rem;
}

.navbar {
  height: 3.75rem;
  padding: 0.5rem var(--padding);
  background-color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  position: sticky;
  top: 0;
  box-shadow: 0 1px 2px 0 #0000001a;
}

.navbar-nav {
  list-style: none;
  display: flex;
  align-items: center;
  text-decoration: none;
  font-weight: 500;
}

.navbar-nav a {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.25rem 0.75rem;
}

.navbar-nav a svg {
  fill: #ffffff;
  width: 1rem;
  height: 1rem;
}

.navbar-nav a:hover svg {
  fill: #236fa4;
}

.navbar-link {
  display: flex;
  align-items: center;
}

.navbar-logo {
  width: 140px;
  height: 32px;
}

.page-header {
  text-align: center;
  margin-top: 4rem;
  margin-bottom: 2rem;
}

.page-title {
  font-size: 1.5rem;
  line-height: 1;
  font-weight: 600;
  margin-bottom: 0;
}

.list {
  list-style: none;
  background-color: var(--primary-color);
  margin-bottom: 3rem;
  border-radius: 0.375rem;
  overflow: hidden;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

.list li a {
  display: flex;
  padding: 0.75rem 2rem;
  text-decoration: none;
  color: var(--link-color);
}

.list li a:hover {
  color: #ffffff;
  background-color: var(--link-bg-hover);
}

.list li a:visited {
  color: #cd53cd;
}

.footer {
  height: 5rem;
  background-color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
}

@media (min-width: 768px) {
  .list {
    columns: 2;
  }
}

@media (min-width: 1024px) {
  .container {
    margin-left: auto;
    margin-right: auto;
  }

  .list {
    columns: 4;
  }
}