body{
    background-color: black;
   }
   .indx-img{
     height: 300px;
   }
   .card-container{
     display:flex;
     justify-content: space-around;
   }
   .heading{
     margin-left:35%;
     margin-top: 10px;
     margin-bottom: 20px;
     color: white;
     
   }