body{
font-family:sans-serif;
    background-color:black
}
h1{
text-align: center;
color: beige;
margin: 30px 0 50px;
}
.gallery {
    margin: 20px 70px;
}
.gallery img{
    width: 330px;
    padding: 5px;
    filter: grayscale(100%);
    transition: 1s;
}
.gallery img:hover{
    filter: grayscale(0);
    transform: scale(1.1);
}