.hero{
   background-image:url("https://images.unsplash.com/photo-1554068865-24cecd4e34b8");
   background-size:cover;
   background-position:center;
   color:white;
   padding:100px 0;
   text-align:center;
}

.blog-card img{
   height:200px;
   object-fit:cover;
}

.footer{
   background:#AAA;
   color:white;
   padding:20px;
}