#nav {
    text-align: center;
    background-image: linear-gradient(to left, var(--accent-color) 85%, transparent 100%);
    padding: 0.5em 1.4em 0.5em 5em;
    position: absolute;
    right: 0;
}

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

#nav ul li {
    text-align: center;
}

#nav a {
    padding: 14px 16px;
    color: black;
    cursor: pointer;
    text-decoration: none;
}

.nav_active {
    border-right: 1px solid black;
    border-left: 1px solid black;
    background-color: var(--background-color);
}

#nav ul li {
    position: relative;
    display: inline-block;
    color: #0087ca;
}

#nav li::after {
    content: '';
    position: absolute;
    width: 80%;
    transform: scaleX(0);
    height: 2px;
    bottom: 0;
    background-color: black;
    left: 10%;
    transform-origin: bottom right;
    transition: transform 0.25s ease-out;
}

#nav li:hover::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}

@view-transition {
    navigation: auto;
}

@keyframes FadeOut {
    from {
        opacity: 1;
    }

    to {
     opacity: 0;
     }
}

@keyframes FadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

main {
    view-transition-name: main-content;
}

::view-transition-group(main-content) {
    background: var(--background-color);
}

::view-transition-old(main-content) {
    animation: FadeOut 0.5s ease-out both;
}

::view-transition-new(main-content) {
    opacity: 0;
    animation: FadeIn 0.25s ease-in 0.25s both;
}

:root {
  --primary-color: lime;
  --secondary-color: lightgray;
  --accent-color: lightgreen;
  --text-color: black;
  --background-color: #f8f8f8;
  --button-color: white;
  --button-background-color: black;
  --button-hover-background-color: #333333;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: #FFF;
  color: #000;
  padding: 10px;
  z-index: 100;
  transition: top 0.3s;
}

.skip-link:focus {
  top: 0;
}

header {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #1678c3;
    padding-bottom: 1em;
}

@media (max-width: 1230px) {
    header {
        justify-content: flex-start;
    }
}

header div {
    justify-content: center;
    display: flex;
    align-items: center;
}

header img {
    width: 7em;
    height: auto;
}

body {
  background-color: var(--background-color);
  color: var(--text-color);
  font-family: 'Arial', sans-serif;
  margin: 20px;
  padding: 0;
}

a {
  color: black;
  text-align: center;
  text-decoration: none;
}

a:hover:not(#nav a) {
  background-color: gray;
}