#header{
    background:linear-gradient(rgba(0,0,0, 0.5),rgb(0,0,0,0.5)),
    url('large_bg.png') no-repeat; background-size: cover; height:500px;width: 100%;

}
.blog_head_container{
    margin-top: 5em;
}
 
.blog_head{
    color: #fff;
    font-weight: 700;
    font-size: 60px;
    
    text-align: center;
    
    }
    
    #main_books_desc{
    color: #fff;
    font-weight: 500;
    font-size: 24px;
    
    text-align: center;
    
    }

   input[type="text"], input[type="number"], input[type="email"],textarea{
       border: 1px solid rgb(77, 92, 230);
       padding: 10px;
       font-size: 13px;
   }

    @media (max-width:576px){
          
#header{
    background:linear-gradient(rgba(0,0,0, 0.5),rgb(0,0,0,0.5)),
    url('large_bg.png') no-repeat; background-size: 600px;
     height: 230px;width: 100%;

    }
    .blog_head_container{
        margin-top: -20px;
    }
    .blog_head{
       font-size:30px;
        color: #fff;
    } 

    
    

}
@media (min-width:577px) and (max-width:1020px){
    #header{
        background:linear-gradient(rgba(0,0,0, 0.5),rgb(0,0,0,0.5)),
        url('large_bg.png') no-repeat; background-size: cover;
        /* background-size: 600px; */
     height: 230px;width: 100%;

        }
        .blog_head_container{
            margin-top: -20px;
        }
        .blog_head{
          font-size: 35px;
            color: #fff;
        } 
        .blog_head_container{
            margin-top: 0px;
        }
    
}