.blur {
  transition: all 0.5s;
  filter: blur(10px);
}
.blur.scrollin {
  filter: blur(0);
}
.blur_2 {
  transition: all 0.5s;
  filter: blur(10px);
}
.blur_2.page-loaded {
  filter: blur(0);
}
.blur_3 {
  transition: all 1s;
  filter: blur(10px);
}
.blur_3.page-loaded {
  filter: blur(0);
}
.blur_4 {
  transition: all 1.5s;
  filter: blur(10px);
}
.blur_4.page-loaded {
  filter: blur(0);
}