.stm_widget_media {
display: -ms-flexbox;
display: flex;
-ms-flex-flow: wrap;
flex-flow: wrap;
margin: -15px -7.5px 0;
}
.stm_widget_media__single {
display: block;
width: 33.333%;
padding: 15px 7.5px 0;
}
@media (max-width: 1024px) {
.stm_widget_media__single img {
width: 100%;
}
}
.stm_wp_widget_post_gallery_style_1 .stm_widget_media__single {
position: relative;
}
.stm_wp_widget_post_gallery_style_1 .stm_widget_media__single:after {
content: "";
display: block;
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
top: 15px;
right: 7px;
left: 7px;
background-color: #000;
opacity: 0;
transition: 0.3s ease;
}
.stm_wp_widget_post_gallery_style_1 .stm_widget_media__single:hover:after {
opacity: 0.5;
}