body{
     font-family: sans-serif;
     }
     h{
     text-align: center;
     color: red;
     margin: 30px 10 50px;
          font-weight: bold;
     }
       
     h1{
     text-align: center;
     color: forestgreen;
     margin: 30px 0 50px;
     }
     .gallery{
     margin: 10px 50px;
   
   }
   
   .gallery img{
   
   width: 230px;
   padding: 5px;
   filter: grayscale(100%);
   transition: 1s;
   
   
   }
   
   .gallery img:hover{
           filter: grayscale(0);
        transforma:scale(1.3);
           transform:scale(1.1);
   
   
   
   }