html, body {
  font-size: 62.5%; /*so that 1em = 10px*/
  /* position: relative; */
  width: 100%;
  height: 100%;
  margin: 0; 
  padding: 0;
  box-sizing: border-box;
}

body {
  font-size: 1.6rem;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

body > * {
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
}

a {
  text-decoration: none;
}

a:hover {
  text-decoration: none;
}

.a-dialog {
  background-color: #1f1f1f !important;
  color: #fff;
  font-weight: bold;
}
.a-dialog-ok-button {
  background-color: #5792f7 !important;
  font-weight: bold;
  color: #fff;
}

.dark-mode {
  background-color: black;
}