Whatsapp CSS Injection

privacy.css

/* SIDEBAR */
div[data-testid="cell-frame-container"]:not(:hover) {
/*#pane-side:not(:hover) img { */
  filter: blur(6px);
}

div[data-testid="cell-frame-container"]:not(:hover) span {
    font-size: 125%;
    color: transparent;
    text-shadow: 0 0 8px #FFF;
}

/* MAIN */
#main:not(:hover) span {
    color: transparent;
    font-size: 0px;
}

#main:not(:hover) img {
    filter: blur(8px)
}

#main .message-in:not(:hover) img, 
#main .message-out:not(:hover) img {
    filter: blur(8px)
}