.image-gray-out {
    opacity:0.6;
}

.image-colorize-purple {
    filter: grayscale(100%) sepia(20%) hue-rotate(199deg);
    -webkit-filter: grayscale(100%) sepia(20%) hue-rotate(199deg);
    -moz-filter: grayscale(100%) sepia(20%) hue-rotate(199deg);
}