body{
    font-family: sans-serif;
}
.gallery{
    margin: 10px 50px;
}
.gallery img{
    width: 200px;
    padding: 5px;
    filter: grayscale(100%);
    transition: 1s;
}
.gallery img:hover{
    filter: grayscale(0);
    transform: scale(1.1);
}
.video-gallery{
    position: relative;
}
.video-gallery a{
    position: absolute;
    top: 0;
    left: 0;
    display: block;
}
.video-gallery:hover a{
    background-color: rgba(0, 0, 0, .5);
}

/* whatsapp btn------- */
.whatsapp_float{
    position: fixed;
    bottom: 40px;
    left:20px;
    z-index:1111;
}