body,html{
  width: 100%;
  height: 100%;
  padding: 0;
  margin: 0;
  scroll-behavior: smooth;
}
*{
  box-sizing: border-box;
/*  -webkit-user-select:none;
  -moz-user-select:none;
  -o-user-select:none;
  user-select:none;*/
}
a{
  text-decoration: none;
}