.blog-bg {
  background-image: url(../assets/blog.jpg);
  background-size: cover;
  background-position: center;
}
.image1-bg {
  background-image: url(../assets/blogImg1.jpg);
  background-size: cover;
  background-position: center;
}
.image2-bg {
  background-image: url(../assets/blogimg2.jpg);
  background-size: cover;
  background-position: center;
}