* {box-sizing:border-box}
body {
  font-family: Arial, Helvetica, sans-serif;
}

.header-container {
  max-width: 1000px;
  position: relative;
  margin: auto;
  background-color: #6df0e0;
  text-align: center;
  font-size: 4em;
  padding: .2em;
  margin-bottom: .5em;
}

.slideshow-container {
  max-width: 1000px;
  position: relative;
  margin: auto;
}

.slides {
  display: none;
  text-align: center;
  height: 500px;
}

.prev, .next {
  cursor: pointer;
  position: absolute;
  top: 50%;
  width: auto;
  margin-top: -22px;
  padding: 16px;
  color: #909090;
  font-weight: bold;
  font-size: 3em;
  transition: 0.6s ease;
  border-radius: 0 3px 3px 0;
  user-select: none;
}

/* Position the "next button" to the right */
.next {
  right: 0;
  border-radius: 3px 0 0 3px;
}

/* On hover, add a black background color with a little bit see-through */
.prev:hover, .next:hover {
  background-color: rgba(0,0,0,0.8);
}

/* Caption text */
.yeartext {
  color: #000000;
  font-size: 4em;
  margin-top: 20px;
  bottom: 8px;
  width: 100%;
  background-color: #b0b0b0;
  text-align: center;
}

.description {
  font-size: 2.5em;
  padding: .5em;
}

.zitat {
    font-style: italic;
    font-size: .6em;
    text-align: center;
}

.check {
  height: 1.2em;
}

/* Vahlbruch logo */
.vlogo {
  height: 80%;
  padding-left: 20px;
  padding-right: 20px;
}

.modal-body {
  display: none;
  text-align: center;
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: #303030;
}

.modal-image {
  width: 90%;
}

.close {
    border-radius: 5px;
    color: #ffffff;
    background-color: #000000;
    display: inline-block;
    padding: 5px 10px;
    position: absolute;
    top: 10px;
    right: 10px;
    cursor: pointer;
    font-size: 4em;
}

/* Fading animation */
.fade {
  animation-name: fade;
  animation-duration: 1.5s;
}

@keyframes fade {
  from {opacity: .3}
  to {opacity: 1}
}