.gallery{
    margin: 15px 5px;
}
.gallery img {
    transition: 0.3s;
    padding: 2px;
    width: 120px;
}
.gallery img:hover{
 
    transform: scale(1.2);
    filter:grayscale(100%)
}

.piclibheading {
    font: 20px sans-serif; 
    font-style: italic;
    font-weight: bold;
    color: #0000ff;
    text-align: center;
  
}