* {
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: linear-gradient(135deg, #DCBD44, #375D7E, #BE3027);
}

header {
  background-color: #333;
  color: #fff;
  padding: 20px;
  margin-left: 25px;
  margin-right: 25px;
  width: auto;
  position: relative;
  overflow: hidden;
}

/* Large Screen Navigation */
.nav_ul {
  list-style-type: none;
  width: auto;
  margin: 0;
  overflow: hidden;
  background-color: #333;
  margin-left: 25px;
  margin-right: 25px;
  border-bottom-left-radius: 20px;
  border-bottom-right-radius: 20px;
  margin-bottom: 50px;

}

.nav_li {
  float: left;
  margin-right: 10px;
}

.nav_link,
.dropbtn {
  display: inline-block;
  color: white;
  text-align: center;
  padding: 10px;
  text-decoration: none;
  border-radius: 8px;
  margin-right: 10px;
  margin-bottom: 10px;


}

.nav_link:hover,
.dropdown:hover .dropbtn {
  background-color: #555;
  cursor: pointer;
}

.nav_li,
.dropdown {
  display: inline-block;
  border-radius: 8px;
  margin-top: 5px;


}

.dropdown-content {
  -webkit-backdrop-filter: blur(25px);
  backdrop-filter: blur(25px);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);

  display: none;
  position: absolute;
  min-width: 160px;
  z-index: 9999;
  border-radius: 15px;
}

.dropdown-content .nav_link {
  color: white;
  padding: 12px 16px;
  text-decoration: none;
  display: block;
  text-align: left;
  margin: 8px;

}

.dropdown-content .nav_link:hover {
  background: rgba(255, 255, 255, 0.1);
}

.dropdown:hover .dropdown-content {
  display: block;
}

/* Small Screen Navbar */
.navbar {
  display: none;
  overflow: hidden;
  background-color: #333;
  margin-left: 25px;
  margin-right: 25px;
  border-bottom-left-radius: 20px;
  border-bottom-right-radius: 20px;
  position: sticky;
  top: 0;
  z-index: 9998;
  transition: margin 0.3s ease;
  margin-bottom: 50px;
}

.navbar.sticky {
  margin-left: 0;
  margin-right: 0;
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
}

.navbar a {
  float: right;
  display: block;
  color: #ecf0f1;
  text-align: center;
  padding: 5px;
  text-decoration: none;
  border: solid 1px transparent;
  margin-bottom: 10px;
}

.bar1, .bar2, .bar3 {
  width: 35px;
  height: 5px;
  background-color: #ecf0f1;
  margin: 6px;
  transition: 0.4s cubic-bezier(0.68, -0.55, 0.27, 1.55);
  border-radius: 20px;
}

.change .bar1 {
  transform: rotate(-45deg) translate(-8.5px, 7.25px);
}

.change .bar2 {
  opacity: 0;
}

.change .bar3 {
  transform: rotate(45deg) translate(-8.5px, -7.25px);
}

.sidenav {
  height: 100%;
  width: 0;
  position: fixed;
  z-index: 9999;
  top: 0;
  left: 0;
  background-color: #000000;
  overflow-x: hidden;
  transition: 0.5s;
  padding-top: 60px;
}

.sidenav a,
.dropdown-btn {
  padding: 8px 8px 8px 32px;
  text-decoration: none;
  font-size: 25px;
  color: #818181;
  display: block;
  transition: 0.3s;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
  outline: none;
}

.sidenav a:hover,
.dropdown-btn:hover {
  color: #f1f1f1;
  padding-left: 40px;
  background-color: transparent;
  border: transparent;
}

.sidenav-text {
  border: 1px solid #ecf0f1;
  border-radius: 12px;
  margin: 20px;
  padding: 8px 8px 8px 12px;
  color: #ecf0f1;
  font-size: 25px;
}

.dropdown-container {
  display: none;
  background-color: #262626;
  padding-left: 25px;
}

.dropdown-btn {
  position: relative;
  padding-right: 30px;
  /* Platz für den Pfeil */
}

.dropdown-btn::after {
  content: '\25BC';
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  transition: transform 0.3s;
}

.dropdown-btn.active::after {
  transform: translateY(-50%) rotate(180deg);
}

hr {
  border: 0;
  height: 1px;
  background-image: linear-gradient(to right, rgba(236, 240, 241, 0), rgba(236, 240, 241, 0.75), rgba(236, 240, 241, 0));
  margin: 10px 0;
  width: 85%;
}

@media screen and (max-width: 600px) {
  .nav_ul {
    display: none;
  }

  .navbar {
    display: block;
  }
}



/* The actual timeline (the vertical ruler) */
.timeline {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
}

/* The actual timeline (the vertical ruler) */
.timeline::after {
  content: ' ';
  position: absolute;
  width: 8px;
  background-color: white;
  top: 0;
  bottom: 0;
  left: 50%;
  margin-left: -4px;
  border-radius: 8px;

  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.1);
}

/* Container around content */
.container {
  padding: 10px 40px;
  position: relative;
  background-color: inherit;
  width: 50%;

  border-radius: 20px;
}

/* The circles on the timeline */
.container::after {
  content: ' ';
  position: absolute;
  width: 25px;
  height: 25px;
  right: -17px;
  background-color: lightgray;
  border: 4px solid gray;
  top: 15px;
  border-radius: 100%;
  z-index: 1;

  
}

/* Place the container to the left */
.links {
  left: 0;
}

/* Place the container to the right */
.rechts {
  left: 50%;
}

/* Add arrows to the left container (pointing right) */
.links::before {
  content: " ";
  height: 0;
  position: absolute;
  top: 22px;
  width: 0;
  z-index: 1;
  right: 30px;
  border: medium solid lightgray;
  border-width: 10px 0 10px 10px;
  border-color: transparent transparent transparent lightgray;
}

/* Add arrows to the right container (pointing left) */
.rechts::before {
  content: " ";
  height: 0;
  position: absolute;
  top: 22px;
  width: 0;
  z-index: 1;
  left: 30px;
  border: medium solid lightgray;
  border-width: 10px 10px 10px 0;
  border-color: transparent lightgray transparent transparent;
}

/* Fix the circle for containers on the right side */
.rechts::after {
  left: -16px;
}

/* The actual content */
.content {
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);

  padding: 20px 30px;
  position: relative;
  border-radius: 6px;
}

/* Media queries - Responsive timeline on screens less than 600px wide */
@media screen and (max-width: 600px) {

  /* Place the timelime to the left */
  .timeline::after {
    left: 31px;
  }

  /* Full-width containers */
  .container {
    width: 100%;
    padding-left: 70px;
    padding-right: 25px;
  }

  /* Make sure that all arrows are pointing leftwards */
  .container::before {
    left: 60px;
    border: medium solid white;
    border-width: 10px 10px 10px 0;
    border-color: transparent white transparent transparent;
  }

  /* Make sure all circles are at the same spot */
  .links::after,
  .rechts::after {
    left: 15px;
  }

  /* Make all right containers behave like the left ones */
  .rechts {
    left: 0%;
  }
}


footer {
  background-color: #333;
  color: #fff;
  padding: 20px;
  text-align: center;
  margin-top: 100px;
}