.h1{
  text-align:center;
  color:rgb(249, 183, 2);
  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);
transform: scale(1.1);
}