click on [Options] at the top right of page
click [Theme]
Copy and paste code:
.post-image {
opacity: .8; / Can be between .01 - 1 /
filter: blur(8.5px); / Can be 0 - 10+ /
transition: all 233ms;
}
.post-image:hover {
opacity: 1; / Can be between .01 - 1 /
filter: blur(.5px); / Can be 0 - 10+ /
transition: all 89ms;
}
click Save Cutom CSS
This will blur all images, hover your mouse over to un-blur.