* {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
}

body {
  margin: 0;
  background: linear-gradient(to right, #1363df, hsl(216, 100%, 59%));
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  box-sizing: border-box;
}

.if-background-top {
  position: fixed;
  top: 0;
  width: 100%;
  height: 187px;
  background: url(../img/blue/top-background.png) top / contain no-repeat;
  z-index: -1;
}

.if-background-bottom {
  width: 100%;
  height: 736px;
  position: fixed;
  bottom: 0;
  background: url(../img/blue/bottom-background.png) bottom / contain no-repeat;
  z-index: -1;
}

.headbox {
  width: 100%;
  height: 11em;
  display: flex;
  flex-direction: row;
}

.logo {
  width: 200px;
  height: 75px;
  background: url(../img/blue/logo.png) left/contain no-repeat;
  margin-left: 3rem;
  margin-top: 3.6em;
}

.aboutus {
  width: 30%;
  height: 5em;
  text-align: center;
  font-size: 1.5em; 
  border-radius: 3em;
  color: #DFF6FF;
  background-color: #47b5ff;
  border: 1px solid transparent;
  margin-top: 1.5em;
  margin-left: 1em;
}

.if-navigation {
  text-align: right;
  font-size: 1.5em;
  margin-top: 1em;
}

.if-navigation .home {

  margin-left: 10em;
}

.if-navigation a {
  text-decoration: none;
  color: white;
  padding: 2rem 3.5rem;
  display: inline-block;
  transition: 0.3s ease-out;
  background-color: #47b5ff;
  border-radius: 3em;
  border: 1px solid transparent;
  margin-top: 1em;
  margin-left: 0.5em;
}

.if-navigation a:hover {
  background-color: rgba(19, 101, 223, 0.75);
  border: 1px solid #47b5ff;
  padding: 2rem 3.5rem;
}

.container-1, .container-2 {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  background-color: #DFF6FF;
  width: 67.5%;
  height: 70vh;
  margin: 0 auto;
  margin-bottom: 2em;
  gap: 2.5em;
  padding: 2em 3em;
  border-radius: 3em;
}

.container-1 {
  margin-top: 1em;
}

.leitbild-img {
  background-image: url(../img/leitbild.jpg);
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
  border-radius: 1.5em;
  width: 675px;
  height: 500px
}

.geschichte-img {
  background-image: url(../img/geschichte.jpg);
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
  border-radius: 1.5em;
  width: 675px;
  height: 500px
}

.leitbild {
  width: 48%;
  margin-right: 0;
  background-color: #DFF6FF;
  line-height: 1.5em;
}

.geschichte {
  width: 48%;
  margin-right: 0;
  background-color: #DFF6FF;
  line-height: 1.5em;
}

.geschichte, .leitbild h1 {
  text-align: center;
}

.footerbox-md {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 60%;
  height: 5em;
  margin: 0 auto;
  margin-bottom: 2em;
  padding: 2em 3em;
  border-radius: 3em;
  background-color: #47b5ff;
  color: #DFF6FF;
}

.footerbox-md a {
  text-decoration: none;
  color: #DFF6FF;
}

.footerbox-md a:hover {
  text-decoration: underline;
  color: #DFF6FF;
  font-weight: 800;
}