html {
  font-size: 10px;
  color: white;
  scroll-behavior: smooth;
}

body {
  width: 100%;
}

.upper_div {
  width: 60%;
}

#language {
  -moz-appearance: none;
  -webkit-appearance: none;
}

select::-ms-expand {
  display: none;
}

* {
  user-select: none;
}

@media screen and (max-width: 1439px) and (min-width: 1143px) {
  html {
    font-size: 8px;
  }
  .upper_div {
    width: 80%;
  }
  #image_right {
    width: 31%;
  }
}

@media screen and (max-width: 1143px) {
  html {
    font-size: 7px;
  }
  .upper_div {
    width: 100%;
  }
  #image_right {
    width: 31%;
  }
}

@media screen and (max-width: 415px) {
  #menu {
    height: 0px;
  }
}