@import url('https://fonts.googleapis.com/css2?family=Poppins&display=swap');
body {
  margin: 0;
  padding: 0px;
  font-family: 'Open Sans', sans-serif;
  background-image: url('https://picsum.photos/1920/1080');
  background-repeat: none;
  background-attachment: fixed;
  justify-content: center;
  align-items: center;
  font-family: 'Poppins', sans-serif;
  height: 100vh;
}
main {
  height: 100vh;
}
.row{
  height: 100vh;
}

#sinha, #mallick, #sayan {
  font-size: 35px;
  
}
 /*Subham's CSS*/
.subham, .anik, .sayan{
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border-width: 10px;
  box-shadow: 0 0 20px rgba(8, 8, 8, 0.507);
  max-width: 600px;
  margin: 0px;
  padding: 20px;
  height: 70vh;
  backdrop-filter: blur(10px) grayscale(0.6) brightness(0.85);
  color: aliceblue;
 }
 .img {
   height: 180px;
   width: 180px;
   border-radius: 50%;
   padding:1px;
   box-shadow: 0px 2px 5px skyblue;
 }


 @media screen and (max-width: 992px){
  main{
    padding: 10px;
  }
  .row{
    padding: 40px;
  }
  .subham,.anik, .sayan{
    margin-bottom:40px ;
  }
 }
 .back-btn{
  display: inline-block;
  border-radius: 100px;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 15px;
  height: 50px;
  width: 50px;
  position: fixed;
  background-color: whitesmoke;
  top: 20px;
  left: 20px;
  z-index: 9;
 }