.post.popular-top-post .post-gallery>a:after {
content: '';
display: block;
background: linear-gradient(180deg,rgba(0,0,0,0) 0%,#000 100%);
opacity: .7;
pointer-events: none;
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
z-index: 0;
}