html, body {
    margin: 0;
    padding: 0;
    height: 100%;
}


.background-image {
position: fixed;
  margin: 0;
  padding: 0;
  width: 100vw;
  height: 100vh;
  background-image: url("img/background_img.svg");
  background-size: 110%;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  z-index: -1;
}


.bild-analogaarau {
    position: absolute;
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 25%;
    height: auto;
}

.startseite_button {
    position: absolute;
    top: 70%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 18px;
    font-family: "Pontano sans";
    color: black;
    text-decoration: none;
    background-color: #D9D9D9;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    padding: 10px 25px;
}

.close-button {
  display: inline-block;
  width: 60px;
  height: 25px;
  line-height: 20px;
  text-align: center;
  font-family: "Pontano sans";
  border-radius: 50px;
  color: black;
  cursor: pointer;
  margin-top: 2%;
  margin-left: 2%;
  background-color: #D9D9D9;
  text-decoration: none;
}
.block {
    display: flex;
    align-items: center;
    justify-content: space-evenly;
    margin: 200px 100px 100px 100px;
}

.img-wrapper {
    position: relative;
    width: 50%;
    display: flex;
    justify-content: flex-start;
}

.img-wrapper .img {
    width: 100%;
    height: auto;
    display: block;
}

.img-wrapper .sound-button {
    position: absolute;
    bottom: 20px;
    left: 20px;
    width: 35px;
    height: 35px;
    cursor: pointer;
}

.block .text {
  width: 50%;
  line-height: 1.5;
  font-family: "Pontano sans";
}

.block.reverse {
  flex-direction: row-reverse;
  text-align: left;
}

.block:not(.reverse) .text {
  text-align: right;
}

.block.reverse .text {
  text-align: left;
}

.audio {
  display: none;
}

.space {
    margin-bottom: 50px;
}

@media (max-width: 970px) {
  .block {
    flex-direction: column;
    text-align: left
  }

  .block.reverse {
    flex-direction: column;
  }

  .block .text, .block.reverse .text {
    width: 100%;
    text-align: left;
    margin-top: 20px;
  }

  .img-wrapper {
    width: 100%;
    justify-content: center;
  }
}


@media (max-width: 1000px) {
  .background-image {
    background-size: 150%;
  }
}

@media (max-width: 850px) {
  .background-image {
    background-size: 180%
  }
}

@media (max-width: 700px) {
  .background-image {
    background-size: 200%;
  }
}

@media (max-width: 600px) {
  .background-image {
    background-size: 250%;
  }
}


@media (max-width: 500px) {
  .background-image {
    background-size: 300%;
    }

  .bild-analogaarau {
    width: 50%;
  }

  .block .text {
  font-size: 16px;
}
}