body {
    font-family: sans-serif;
	background-color: whitesmoke;
}

h1{
    text-align: center;
    color: black;
    margin: 30px 0 50px;
}
.gallery {margin: 10px 50px;

}
.gallery img {
    width: 300px;
    padding: 5px;
    /* filter: grayscale(100%); */
    transition:1s;
}
.gallery img:hover{
  /* filter:grayscale(0%); */
    transform:scale(1.1);
}