#introduction {
  display: flex;
  position: absolute;
  top: 0;
  width: 100%;
  max-width: 450px;
  height: 100%;
  background-image: url("../../images/background/intro_background.jpg");
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  /* z-index: 2; */
}
.shadow {
  display: none;
  opacity: 0;
  position: absolute;
  width: 100%;
  height: 100%;
  z-index: 4;
}
.planet {
  position: absolute;
  filter: brightness(0.75);
  width: 50px;
  bottom: 175px;
  right: 25px;
}
.welcome_p {
  position: absolute;
  transform: rotate(-90deg);
  top: -1040px;
  left: -980px;
  opacity: 0.5;
  /* top: 0; */
  /* left: 150px; */
  width: 2000px;
  color: white;
  font-size: 23px;
  text-shadow: 0 0 10px #003bc5;
  /* z-index: 3; */
}
.welcome_p_up {
  position: absolute;
  transform: rotate(90deg);
  top: 1700px;
  right: -980px;
  opacity: 0.5;
  /* top: 0; */
  /* left: 150px; */
  width: 2000px;
  color: white;
  font-size: 23px;
  text-shadow: 0 0 10px #003bc5;
  /* z-index: 3; */
}
.slide_0 {
  /* display: none; */
  display: flex;
  flex-direction: column;
  justify-content: space-evenly;
  align-items: center;
  width: 100%;
}
.lang_slt {
  color: white;
  justify-items: center;
  width: 100px;
  height: 130px;
  text-align: center;
  text-shadow: 0 0 3px black;
}
.lang_slt_img {
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  width: 100px;
  height: 100px;
  border-radius: 50px;
  box-shadow: inset 0px 0px 20px black;
}
.language_1 .lang_slt_img {
  background-image: url("../../images/lang/eng.svg");
}
.language_2 .lang_slt_img {
  background-image: url("../../images/lang/fre.svg");
}
.language_3 .lang_slt_img {
  background-image: url("../../images/lang/spa.svg");
}
.slide {
  color: white;
  text-shadow: 0 0 10px #003bc5;
  font-weight: bold;
  flex-direction: column;
  font-size: 24px;
  padding: 42px;
  text-align: center;
  align-items: center;
  justify-content: center;
}
.slide img {
  height: 150px;
}
.slide_1 {
  display: none;
}
.slide_2 {
  display: none;
}
.slide_3 {
  display: none;
}